APA (7th ed.) Citation

Drooyan, I., Carico, C. C., & Hadel, W. (1973). Trigonometry: An analytic approach (2. ed.). Macmillan u.a.

Chicago Style (17th ed.) Citation

Drooyan, Irving, Charles C. Carico, and Walter Hadel. Trigonometry: An Analytic Approach. 2. ed. New York u.a: Macmillan u.a, 1973.

MLA (9th ed.) Citation

Drooyan, Irving, et al. Trigonometry: An Analytic Approach. 2. ed. Macmillan u.a, 1973.