Cita APA (7a ed.)

Childs, H. L., & Bernays, E. L. (1934). A reference guide to the study of public opinion. Princeton University Press.

Cita Chicago Style (17a ed.)

Childs, Harwood L., y Edward L. Bernays. A Reference Guide to the Study of Public Opinion. Princeton: Princeton University Press, 1934.

Cita MLA (9a ed.)

Childs, Harwood L., y Edward L. Bernays. A Reference Guide to the Study of Public Opinion. Princeton University Press, 1934.