In the name-year system, in-text references contain the name of the author(s) and the year of publication of the document. Enclose the name and year in parenthesis. Leave a space between name and year. No punctuation is necessary.
The most recent report (Brown 2006) on the use of . . .
Exceptions to this rule occur when no definitive author or publication date is present or a publication has multiple dates. This often occurs when citing websites.