APA (7th ed.) Citation

Emmet, E. R. (1972). Puzzles for pleasure. Emerson Books.

Chicago Style (17th ed.) Citation

Emmet, E. R. Puzzles for Pleasure. New York: Emerson Books, 1972.

MLA (9th ed.) Citation

Emmet, E. R. Puzzles for Pleasure. Emerson Books, 1972.

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