APA (7th ed.) Zitazioa
(1986). Pedologic Studies in the eastern United States: Relations to geology. Chap. B. United States Government Print. Office.
Chicago Style (17th ed.) Zitazioa
Pedologic Studies in the Eastern United States: Relations to Geology. Chap. B. Washington: United States Government Print. Office, 1986.
MLA (9th ed.) Zitazioa
Pedologic Studies in the Eastern United States: Relations to Geology. Chap. B. United States Government Print. Office, 1986.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.