Cita APA (7th ed.)

Randolph, J. F. (1953). Trigonometry. Macmillan.

Cita Chicago (17th ed.)

Randolph, John F. Trigonometry. New York: Macmillan, 1953.

Cita MLA (9th ed.)

Randolph, John F. Trigonometry. Macmillan, 1953.