Cita APA (7th ed.)

Stephan, F. F., & McCarthy, P. J. (1958). Sampling opinions: An analysis of survey procedure. Wiley.

Cita Chicago (17th ed.)

Stephan, Frederick Franklin, i Philip J. McCarthy. Sampling Opinions: An Analysis of Survey Procedure. New York: Wiley, 1958.

Cita MLA (9th ed.)

Stephan, Frederick Franklin, i Philip J. McCarthy. Sampling Opinions: An Analysis of Survey Procedure. Wiley, 1958.