APA (7th ed.) Citation

Gardner, M. (1965). Mathematical puzzles and diversions / Martin Gardner. Penguin.

Chicago Style (17th ed.) Citation

Gardner, Martin. Mathematical Puzzles and Diversions / Martin Gardner. Harmondsworth: Penguin, 1965.

MLA (9th ed.) Citation

Gardner, Martin. Mathematical Puzzles and Diversions / Martin Gardner. Penguin, 1965.

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