APA (7th ed.) Citation

Hoyle, F., & Hoyle, G. (1963). Fifth planet ([Book club ed.].). Harper & Row.

Chicago Style (17th ed.) Citation

Hoyle, Fred, and G. Hoyle. Fifth Planet. [Book club ed.]. New York: Harper & Row, 1963.

MLA (9th ed.) Citation

Hoyle, Fred, and G. Hoyle. Fifth Planet. [Book club ed.]. Harper & Row, 1963.