APA Citation

Helliwell, C. H., & Helliwell, C. H. (1935). Fundamentals of college mathematics. New York, New York: Macmillan.

Chicago Style Citation

Helliwell, Charles Harold, and Charles Harold Helliwell. Fundamentals of College Mathematics. New York, New York: Macmillan, 1935.

MLA Citation

Helliwell, Charles Harold, and Charles Harold Helliwell. Fundamentals of College Mathematics. New York, New York: Macmillan, 1935.

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