APA (7th ed.) Citation

Stewart, D. W., Shamdasani, P. N., & Rook, D. W. (2007). Focus groups: Theory and practice (2nd ed.). Sage.

Chicago Style (17th ed.) Citation

Stewart, David W., Prem N. Shamdasani, and Dennis W. Rook. Focus Groups: Theory and Practice. 2nd ed. Newbury Park, Calif: Sage, 2007.

MLA (9th ed.) Citation

Stewart, David W., et al. Focus Groups: Theory and Practice. 2nd ed. Sage, 2007.