Cita APA (7a ed.)

Butler, P. M. (2007). Polling and Public Opinion: A Canadian Perspective. University of Toronto Press.

Cita Chicago Style (17a ed.)

Butler, Peter Marshall. Polling and Public Opinion: A Canadian Perspective. Buffalo, N.Y.: University of Toronto Press, 2007.

Cita MLA (8a ed.)

Butler, Peter Marshall. Polling and Public Opinion: A Canadian Perspective. University of Toronto Press, 2007.