APA (7th ed.) Citation

Graham, L. A. (1959). Ingenious mathematical problems and methods. Dover Publications.

Chicago Style (17th ed.) Citation

Graham, L. A. Ingenious Mathematical Problems and Methods. New York: Dover Publications, 1959.

MLA (8th ed.) Citation

Graham, L. A. Ingenious Mathematical Problems and Methods. Dover Publications, 1959.

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