When citing a web page, include the date you accessed it, and the URL. If the web page lists a date when it was updated, include that before the cited date.
General Format
In-Text Citation:
(Title date)
Title of homepage. Date. Edition. Place of publication: Publisher; [updated date; accessed date]. URL.
Example
In-Text Citation:
(PDRHealth 2010)
Reference List:
PDRHealth. 2010. Montvale (NJ): PDRHealth; [accessed 2019 Jan 24]. http://www.pdrhealth.com/.
In-Text Citation:
(Penguin 2016)
Reference List:
Penguin. Wikipedia, The Free Encyclopedia; [updated 2016 Mar 30; accessed 2016 Mar 31]. https://en.wikipedia.org/wiki/Penguin.
