APA (7th ed.) Citation

Greenbaum, T. L. (1993). The handbook for focus group research (Rev. and expanded ed.). Lexington Books u.a.

Chicago Style (17th ed.) Citation

Greenbaum, Thomas L. The Handbook for Focus Group Research. Rev. and expanded ed. New York: Lexington Books u.a, 1993.

MLA (9th ed.) Citation

Greenbaum, Thomas L. The Handbook for Focus Group Research. Rev. and expanded ed. Lexington Books u.a, 1993.