APA (7th ed.) Citation

Gupta, P. P., Malik, G., & Gupta, S. (2000). Mathematical methods. Pragati prakashan.

Chicago Style (17th ed.) Citation

Gupta, P. P., G.S Malik, and Sanjay Gupta. Mathematical Methods. Meerut, India: Pragati prakashan, 2000.

MLA (8th ed.) Citation

Gupta, P. P., et al. Mathematical Methods. Pragati prakashan, 2000.