APA (7th ed.) Citation

Greenbaum, T. L. (1987). The practical handbook and guide to focus group research. Lexington Books.

Chicago Style (17th ed.) Citation

Greenbaum, Thomas L. The Practical Handbook and Guide to Focus Group Research. Lexington, Mass: Lexington Books, 1987.

MLA (9th ed.) Citation

Greenbaum, Thomas L. The Practical Handbook and Guide to Focus Group Research. Lexington Books, 1987.