APA (7th ed.) Citation

Rothstein, A. (1950). A history of the U.S.S.R. Penguin Books.

Chicago Style (17th ed.) Citation

Rothstein, Andrew. A History of the U.S.S.R. Harmondsworth, Middlesex: Penguin Books, 1950.

MLA (9th ed.) Citation

Rothstein, Andrew. A History of the U.S.S.R. Penguin Books, 1950.