Cita APA

Cole, J. (1967). A geography of the U.S.S.R. Harmondsworth: Penguin Books.

Citación estilo Chicago

Cole, John. A Geography of the U.S.S.R. Harmondsworth: Penguin Books, 1967.

Cita MLA

Cole, John. A Geography of the U.S.S.R. Harmondsworth: Penguin Books, 1967.