APA (7th ed.) Citation

Hoq, S., Khan, N. A., & Mia, S. H. (1968). A Course of Higher Trigonometry. Muslim Book Agency.

Chicago Style (17th ed.) Citation

Hoq, Shamsul, Nurul Alam Khan, and Sirajul Haque Mia. A Course of Higher Trigonometry. Malibagh Road, Dhaka: Muslim Book Agency, 1968.

MLA (9th ed.) Citation

Hoq, Shamsul, et al. A Course of Higher Trigonometry. Muslim Book Agency, 1968.