Cita APA (7a ed.)

Greenbaum, T. L. (1998). The handbook for focus group research (2nd ed., rev. and expanded.). Sage.

Cita Chicago Style (17a ed.)

Greenbaum, Thomas L. The Handbook for Focus Group Research. 2nd ed., rev. and expanded. Thousand Oaks, California [etc.]: Sage, 1998.

Cita MLA (9a ed.)

Greenbaum, Thomas L. The Handbook for Focus Group Research. 2nd ed., rev. and expanded. Sage, 1998.