APA (7th ed.) Citation

Collen, M. J., & Benjamin, S. B. (1991). Pharmacology of Peptic Ulcer Disease. Springer Berlin Heidelberg.

Chicago Style (17th ed.) Citation

Collen, Martin J., and Stanley B. Benjamin. Pharmacology of Peptic Ulcer Disease. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991.

MLA (8th ed.) Citation

Collen, Martin J., and Stanley B. Benjamin. Pharmacology of Peptic Ulcer Disease. Springer Berlin Heidelberg, 1991.