Cita APA

Crathorne, A. R. (1938). Trigonometry. New York: Henry Holt and Company.

Citación estilo Chicago

Crathorne, A. R. Trigonometry. New York: Henry Holt and Company, 1938.

Cita MLA

Crathorne, A. R. Trigonometry. New York: Henry Holt and Company, 1938.