Hedgepeth William, Al, C., & Findley John Drawings by. (1978). The hog book. Dolphin Books.
Cita Chicago (17th ed.)Hedgepeth William, Clayton Al, i Findley John Drawings by. The Hog Book. New York: Dolphin Books, 1978.
Cita MLA (9th ed.)Hedgepeth William, et al. The Hog Book. Dolphin Books, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.