APA (7th ed.) Citation

Willis, M. B. (1991). The german shepherd dog: A genetic history of the breed. H.F.g.Witherby Ltd.

Chicago Style (17th ed.) Citation

Willis, Malcolm B. The German Shepherd Dog: A Genetic History of the Breed. Great Britain: H.F.g.Witherby Ltd, 1991.

MLA (9th ed.) Citation

Willis, Malcolm B. The German Shepherd Dog: A Genetic History of the Breed. H.F.g.Witherby Ltd, 1991.

Warning: These citations may not always be 100% accurate.