APA (7th ed.) Citation

Bull, M., Bhasin, S. K., & Paul, D. S. (2011). Dictionary of biology. Goodwill publishing house.

Chicago Style (17th ed.) Citation

Bull, Michael, Sanjeev Kumar Bhasin, and D. S. Paul. Dictionary of Biology. New Delhi: Goodwill publishing house, 2011.

MLA (9th ed.) Citation

Bull, Michael, et al. Dictionary of Biology. Goodwill publishing house, 2011.