Franklin

MLA

Stephan, Frederick Franklin, and Philip J McCarthy. Sampling Opinions: an Analysis of Survey Procedure. Westport, Conn.: Greenwood Press, 1974.

APA

Stephan, F. Franklin, & McCarthy, P. J. (1974). Sampling opinions: an analysis of survey procedure. Westport, Conn.: Greenwood Press.

Chicago

Stephan, Frederick Franklin, and Philip J. McCarthy. Sampling Opinions: An Analysis of Survey Procedure. Westport, Conn.: Greenwood Press, 1974.