Cita APA (7a ed.)

Nigam, S. P., Sinha, H. C., & Sharma, J. C. (1968). A text book of differential calculus (2nd ed.). Ram Prasad & Sons.

Cita Chicago Style (17a ed.)

Nigam, S. P., H. C. Sinha, y J. C. Sharma. A Text Book of Differential Calculus. 2nd ed. Agra: Ram Prasad & Sons, 1968.

Cita MLA (9a ed.)

Nigam, S. P., et al. A Text Book of Differential Calculus. 2nd ed. Ram Prasad & Sons, 1968.