APA (7th ed.) Citation

Gardner, E. S. (1949). Drowning duck. Pocket Books.

Chicago Style (17th ed.) Citation

Gardner, Erle Stanley. Drowning Duck. Nueva York: Pocket Books, 1949.

MLA (9th ed.) Citation

Gardner, Erle Stanley. Drowning Duck. Pocket Books, 1949.

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