APA (7th ed.) Zitazioa
Drucker, P. (1952). La Venta, Tabasco: A study of olmec ceramics and art, with a chapter on structural investigations in 1943. United States Government Printing Office.
Chicago Style (17th ed.) Zitazioa
Drucker, Philip. La Venta, Tabasco: A Study of Olmec Ceramics and Art, with a Chapter on Structural Investigations in 1943. Washington: United States Government Printing Office, 1952.
MLA (9th ed.) Zitazioa
Drucker, Philip. La Venta, Tabasco: A Study of Olmec Ceramics and Art, with a Chapter on Structural Investigations in 1943. United States Government Printing Office, 1952.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.