APA (7th ed.) Citation

Hoyle, F., & Hoyle, G. (1969). Rockets in Ursa Major: A novel ([1st U.S. ed.].). Harper & Row.

Chicago Style (17th ed.) Citation

Hoyle, Fred, and G. Hoyle. Rockets in Ursa Major: A Novel. [1st U.S. ed.]. New York: Harper & Row, 1969.

MLA (9th ed.) Citation

Hoyle, Fred, and G. Hoyle. Rockets in Ursa Major: A Novel. [1st U.S. ed.]. Harper & Row, 1969.