APA (7th ed.) Citation

Das, B. C. (2012). Differential Calculus. U.N. Dhur.

Chicago Style (17th ed.) Citation

Das, B. C. Differential Calculus. Kolkata: U.N. Dhur, 2012.

MLA (9th ed.) Citation

Das, B. C. Differential Calculus. U.N. Dhur, 2012.