Cita APA (7a ed.)
Beckenbach, E. F., & Drooyan, I. (1972). Modern college algebra and trigonometry (2d ed.). Wadsworth Pub. Co..
Cita Chicago Style (17a ed.)
Beckenbach, Edwin F., y Irving Drooyan. Modern College Algebra and Trigonometry. 2d ed. Belmont, Calif.: Wadsworth Pub. Co., 1972.
Cita MLA (9a ed.)
Beckenbach, Edwin F., y Irving Drooyan. Modern College Algebra and Trigonometry. 2d ed. Wadsworth Pub. Co., 1972.
Precaución: Estas citas no son 100% exactas.