APA (7th ed.) Citation

Das, B. C., & Mukherjee, B. N. Higher Trigonometry (26th ed.). U.N. Dhur & Sons.

Chicago Style (17th ed.) Citation

Das, B. C., and B. N. Mukherjee. Higher Trigonometry. 26th ed. Calcutta: U.N. Dhur & Sons.

MLA (9th ed.) Citation

Das, B. C., and B. N. Mukherjee. Higher Trigonometry. 26th ed. U.N. Dhur & Sons.

Warning: These citations may not always be 100% accurate.