APA (7th ed.) Zitazioa

Freeman, R. A. (1940). Mr. Polton explains. Popular Library.

Chicago Style (17th ed.) Zitazioa

Freeman, Richard Austin. Mr. Polton Explains. Nueva York: Popular Library, 1940.

MLA (9th ed.) Zitazioa

Freeman, Richard Austin. Mr. Polton Explains. Popular Library, 1940.