
Current manual is the 7th edition, published in 2022
Here's an example:
Critser (2003:5) noted that despite growing numbers of overweight Americans, many health care providers still “remain either in ignorance or outright denial about the health danger to the poor and the young.”
If the author is not named in the signal phrase, place the author’s name, the year, and the page number in parentheses after the quotation (Critser 2003:5).
American Sociologcical Association Style Guide