APA (7th ed.) Citation

Gelfand, I. M., & Saul, M. (2001). Trigonometry. Birkhäuser Boston : Imprint : Birkhäuser.

Chicago Style (17th ed.) Citation

Gelfand, I. M., and Mark Saul. Trigonometry. Boston, MA: Birkhäuser Boston : Imprint : Birkhäuser, 2001.

MLA (9th ed.) Citation

Gelfand, I. M., and Mark Saul. Trigonometry. Birkhäuser Boston : Imprint : Birkhäuser, 2001.

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