APA (7th ed.) Citation

Balakrishnan, V. (1989). Common problems in gastroenterology. Jaypee Brothers.

Chicago Style (17th ed.) Citation

Balakrishnan, V. Common Problems in Gastroenterology. New Delhi: Jaypee Brothers, 1989.

MLA (9th ed.) Citation

Balakrishnan, V. Common Problems in Gastroenterology. Jaypee Brothers, 1989.