APA (7th ed.) Citation

DAS, B. a. M. (1970). Differential calculus. U.N. Dhur.

Chicago Style (17th ed.) Citation

DAS, B.C. and MUKHERJEE. Differential Calculus. Calcutta: U.N. Dhur, 1970.

MLA (9th ed.) Citation

DAS, B.C. and MUKHERJEE. Differential Calculus. U.N. Dhur, 1970.