APA (7th ed.) Citation

Gardner, E. S. (1958). The case of the terrified typist. Cardinal.

Chicago Style (17th ed.) Citation

Gardner, Erle Stanley. The Case of the Terrified Typist. Nueva York: Cardinal, 1958.

MLA (9th ed.) Citation

Gardner, Erle Stanley. The Case of the Terrified Typist. Cardinal, 1958.