APA (7th ed.) Citation

Berk, J. E. (1985). Bockus gastroenterology (4th ed.). Saunders.

Chicago Style (17th ed.) Citation

Berk, J. Edward. Bockus Gastroenterology. 4th ed. Philadelphia, PA: Saunders, 1985.

MLA (9th ed.) Citation

Berk, J. Edward. Bockus Gastroenterology. 4th ed. Saunders, 1985.

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