APA (7th ed.) Citation

Hogan, J. P. (1978). The gentle giants of Ganymede. Ballantine Books.

Chicago Style (17th ed.) Citation

Hogan, James P. The Gentle Giants of Ganymede. New York: Ballantine Books, 1978.

MLA (9th ed.) Citation

Hogan, James P. The Gentle Giants of Ganymede. Ballantine Books, 1978.