APA (7th ed.) Citation

Blacker, I. R. (1962). The Old West in fact. I. Obolensky.

Chicago Style (17th ed.) Citation

Blacker, Irwin Robert. The Old West in Fact. New York: I. Obolensky, 1962.

MLA (9th ed.) Citation

Blacker, Irwin Robert. The Old West in Fact. I. Obolensky, 1962.