APA (7th ed.) Citation

Garson, G. D. (1978). Group Theories of Politics. SAGE Publications, Inc.

Chicago Style (17th ed.) Citation

Garson, G. David. Group Theories of Politics. London: SAGE Publications, Inc, 1978.

MLA (9th ed.) Citation

Garson, G. David. Group Theories of Politics. SAGE Publications, Inc, 1978.