APA (7th ed.) Citation

Krueger, R. A. (1994). Focus groups: A practical guide for applied research (Second edition.). Sage Publications.

Chicago Style (17th ed.) Citation

Krueger, Richard A. Focus Groups: A Practical Guide for Applied Research. Second edition. Thousand Oaks, Calif: Sage Publications, 1994.

MLA (9th ed.) Citation

Krueger, Richard A. Focus Groups: A Practical Guide for Applied Research. Second edition. Sage Publications, 1994.