Parentheses are rounded brackets that are used to set information apart from the rest a sentemce or paragraph. In APA style, the following items are enclosed in parentheses:
In-text citations:
(Williams, 2010)
Dates:
Williams, W. (2010). ...
Issue numbers:
... Journal of Cognitive Psychology 16(3). ...
Tip: To get the left parenthesis, press Shift + 9; to get the right parenthesis, press Shift + Zero.