APA (7th ed.) Citation

Keller, P. J. (1981). Hormonal Disorders in Gynecology. Springer Berlin Heidelberg.

Chicago Style (17th ed.) Citation

Keller, Paul J. Hormonal Disorders in Gynecology. Berlin, Heidelberg: Springer Berlin Heidelberg, 1981.

MLA (9th ed.) Citation

Keller, Paul J. Hormonal Disorders in Gynecology. Springer Berlin Heidelberg, 1981.