Cita APA (7a ed.)

(1967). Sociology: A guide to problems and literature (6a impression.). Unwin University Books.

Cita Chicago Style (17a ed.)

Sociology: A Guide to Problems and Literature. 6a impression. London: Unwin University Books, 1967.

Cita MLA (9a ed.)

Sociology: A Guide to Problems and Literature. 6a impression. Unwin University Books, 1967.