APA Citation

Hardy, J. G. (1938). A short course in trigonometry. New York: Macmillan.

Chicago Style Citation

Hardy, James G. A Short Course in Trigonometry. New York: Macmillan, 1938.

MLA Citation

Hardy, James G. A Short Course in Trigonometry. New York: Macmillan, 1938.

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