APA Citation

Gelfand, I. M., & Saul, M. E. (2001). Trigonometry. Boston: Birkhaüser.

Chicago Style Citation

Gelfand, Izrail Moiseevich, and Mark E. Saul. Trigonometry. Boston: Birkhaüser, 2001.

MLA Citation

Gelfand, Izrail Moiseevich, and Mark E. Saul. Trigonometry. Boston: Birkhaüser, 2001.

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