APA (7th ed.) Citation

Cory, D. W. (1953). 21 variations on a theme. Greenberg.

Chicago Style (17th ed.) Citation

Cory, Donald Webster. 21 Variations on a Theme. New York: Greenberg, 1953.

MLA (9th ed.) Citation

Cory, Donald Webster. 21 Variations on a Theme. Greenberg, 1953.