APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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