APA (7th ed.) Citation

Willis, M. B. (1993). Pet owner's guide to the German Shepherd dog. Howell Book House.

Chicago Style (17th ed.) Citation

Willis, Malcolm Beverley. Pet Owner's Guide to the German Shepherd Dog. New York: Howell Book House, 1993.

MLA (9th ed.) Citation

Willis, Malcolm Beverley. Pet Owner's Guide to the German Shepherd Dog. Howell Book House, 1993.