APA (7th ed.) Citation

Leithold, L. (1989). Trigonometry (1. print.). Addison-Wesley.

Chicago Style (17th ed.) Citation

Leithold, Louis. Trigonometry. 1. print. Reading, Mass [u.a.]: Addison-Wesley, 1989.

MLA (9th ed.) Citation

Leithold, Louis. Trigonometry. 1. print. Addison-Wesley, 1989.