APA (7th ed.) Zitazioa

(1987). Steinbeck bibliographies: An annotated guide / by Robert B. Harmon.

Chicago Style (17th ed.) Zitazioa

Steinbeck Bibliographies: An Annotated Guide / by Robert B. Harmon. 1987.

MLA (9th ed.) Zitazioa

Steinbeck Bibliographies: An Annotated Guide / by Robert B. Harmon. 1987.