APA (7th ed.) Citation

Swokowski, E. W. (1989). Fundamentals of trigonometry (7th ed.). PWS-Kent.

Chicago Style (17th ed.) Citation

Swokowski, Earl William. Fundamentals of Trigonometry. 7th ed. Boston: PWS-Kent, 1989.

MLA (9th ed.) Citation

Swokowski, Earl William. Fundamentals of Trigonometry. 7th ed. PWS-Kent, 1989.

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