Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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