APA (7th ed.) Citation

Gardner, E. S. (1960). The case of the shapely shadow. Pocket Books.

Chicago Style (17th ed.) Citation

Gardner, Erle Stanley. The Case of the Shapely Shadow. Pocket Books, 1960.

MLA (8th ed.) Citation

Gardner, Erle Stanley. The Case of the Shapely Shadow. Pocket Books, 1960.

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