APA (7th ed.) Citation

Krueger, R. A., & Casey, M. A. (2009). Focus groups : a practical guide for applied research / Richard A. Krueger, Mary Anne Casey: A practical guide for applied research (4th ed.). SAGE.

Chicago Style (17th ed.) Citation

Krueger, Richard A., and Mary Anne Casey. Focus Groups : A Practical Guide for Applied Research / Richard A. Krueger, Mary Anne Casey: A Practical Guide for Applied Research. 4th ed. London: SAGE, 2009.

MLA (9th ed.) Citation

Krueger, Richard A., and Mary Anne Casey. Focus Groups : A Practical Guide for Applied Research / Richard A. Krueger, Mary Anne Casey: A Practical Guide for Applied Research. 4th ed. SAGE, 2009.

Warning: These citations may not always be 100% accurate.