APA (7th ed.) Citation

Hedgepeth William, Al, C., & Findley John Drawings by. (1978). The hog book. Dolphin Books.

Chicago Style (17th ed.) Citation

Hedgepeth William, Clayton Al, and Findley John Drawings by. The Hog Book. New York: Dolphin Books, 1978.

MLA (9th ed.) Citation

Hedgepeth William, et al. The Hog Book. Dolphin Books, 1978.