APA (7e ed.) Bronvermelding

Gardner, E. S. (1972). The case of the spurius spinster (5.). Pocket Books.

Chicago (17e ed.) Bronvermelding

Gardner, Erle Stanley. The Case of the Spurius Spinster. 5. New York, Estados Unidos: Pocket Books, 1972.

MLA (9e ed.) Bronvermelding

Gardner, Erle Stanley. The Case of the Spurius Spinster. 5. Pocket Books, 1972.