APA (7th ed.) Citation

Gupta, L. C. (2008). Step by step: Count your calories. Jaypee Brothers Medical.

Chicago Style (17th ed.) Citation

Gupta, L. C. Step by Step: Count Your Calories. New Delhi, India: Jaypee Brothers Medical, 2008.

MLA (9th ed.) Citation

Gupta, L. C. Step by Step: Count Your Calories. Jaypee Brothers Medical, 2008.