APA (7th ed.) Citation

Sattar, G. A. (1992). Higher Trigonometry. The Ideal Library.

Chicago Style (17th ed.) Citation

Sattar, G. A. Higher Trigonometry. Dhaka: The Ideal Library, 1992.

MLA (9th ed.) Citation

Sattar, G. A. Higher Trigonometry. The Ideal Library, 1992.