APA-referens (7:e uppl.)
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-referens (17:e uppl.)
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-referens (9:e uppl.)
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.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.