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Chicago Manual of Style

Electronic Books (E-books) (Sec 14.161)

Ebook are cited the exact same way as their print counterparts, but have the addition of a "media marker" at the end of the citation, such as Kindle edition, PDF e-book, Microsoft Reader e-book, CD-ROM, etc.

Books consulted online are also cited the same way as their print counterparts, but have the DOI or URL included at the end of the citation.

General Format 

Full Note: 

1. Author First Name/Initial Surname, Book Title: Subtitle (Place of Publication:
Publisher, Year), page #. Format/URL/DOI/Commercial Database.
 
Example: 
1. Elizabeth Hillman Waterston, Blitzkrieg and Jitterbugs: College Life in Wartime, 1939-1942 
(Montreal: McGill-Queen's University Press, 2012), 54. ProQuest Ebook Central. 
2. Eiichiro Azuma, Between Two Empires: Race, History, and Transnationalism in Japanese
America (New York: Oxford University Press, 2005), 72. DOI:10.1093/acprof:oso/9780195159400.001.0001.
 
Subsequent Note: 
 3. Author Surname, Book Title, page #. 
 
Example:   
 3. Waterston, Blitzkrieg and Jitterbugs, 78.
   
Bibliography:
Author Surname, First Name or Initial. Book Title: Subtitle. Place of Publication:
Publisher, Year. Format/URL/DOI/Commercial Database.
 
Example:   
Azuma, Eiichiro. Between Two Empires: Race, History, and Transnationalism in Japanese
America. New York: Oxford University Press, 2005. DOI:10.1093/acprof:oso/9780195159400.001.0001.
 
Waterston, Elizabeth Hillman. Blitzkrieg and Jitterbugs: College Life in Wartime, 1939-1942
Montreal: McGill-Queen's University Press, 2012. ProQuest. Ebook Central.

Freely Available Electronic Editions of Older Works (Sec. 14.162)

When possible, use scanned pages of original text to reflowable text (i.e., webpages) when citing sources so that page numbers are available.

General Format 

Full Note: 

1. Author First Name/Initial Surname, Book Title: Subtitle (Place of Publication:
Publisher, Year), page #. URL.
 
Example: 
1. Susanna Moodie, Roughing it in the Bush, or, Life in Canada (Toronto: Richard Bentley,
1852), 24-25https://archive.org/details/roughingitinbush01mood.
2. Thomas Hobbes, Leviathan, Or The Matter, Forme, & Power of a Common-wealth
Ecclesiastical and Civill ([London]: Andrew Crooke, 1651; Project Gutenberg, 2009),
https://www.gutenberg.org/ebooks/3207.  
 
Subsequent Note: 
 3. Author Surname, Book Title, page #. 
 
Example:   
 3. Moodie, Roughing it in the Bush, 78.
   
Bibliography:
Author Surname, First Name or Initial. Book Title: Subtitle. Place of Publication:
Publisher, Year. URL.
 
Example:   
​Hobbes, Thomas. Leviathan, Or The Matter, Forme, & Power of a Common-wealth 
Ecclesiastical and Civill. [London]: Andrew Crooke, 1651. https://www.gutenberg.org/ebooks/3207
 
Moodie, Susanna. Roughing it in the Bush, or, Life in Canada. Toronto: Richard Bentley, 1852.
https://archive.org/details/roughingitinbush01mood.