Cita APA

Gallup, G. H. (1944). A guide to public opinion polls. Princeton University Press.

Citación estilo Chicago

Gallup, George Horace. A Guide to Public Opinion Polls. Princeton: Princeton University Press, 1944.

Cita MLA

Gallup, George Horace. A Guide to Public Opinion Polls. Princeton University Press, 1944.

Warning: These citations may not always be 100% accurate.