APA (7th ed.) Zitazioa

Just, W. (1997). Echo house. Houghton Mifflin.

Chicago Style (17th ed.) Zitazioa

Just, Ward. Echo House. Boston: Houghton Mifflin, 1997.

MLA (9th ed.) Zitazioa

Just, Ward. Echo House. Houghton Mifflin, 1997.