APA (7th ed.) Citation

Leithold, L. (1989). Trigonometry. JMC Press.

Chicago Style (17th ed.) Citation

Leithold, Louis. Trigonometry. Philippines: JMC Press, 1989.

MLA (9th ed.) Citation

Leithold, Louis. Trigonometry. JMC Press, 1989.

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