The American Sociological Association (ASA) was founded in 1905 by 50 sociologists. It currently has over 13,000 members with over 21,000 members in the 52 special interest sections. The ASA publishes 9 journals.
The ASA style is used in the 9 journals published by the American Sociological Association as well as by students in sociology. The ASA has published its own quick tips, found at: http://www.asanet.org/documents/teaching/pdfs/Quick_Tips_for_ASA_Style.pdf For a more comprehensive source, go to Purdue Online Writing Lab at: https://owl.english.purdue.edu/owl/resource/583/01/ Here’s a quick style guide found at the University of Colorado Boulder: http://sociology.colorado.edu/sites/default/files/quick_style_guide.PDF