Cita APA (7th ed.)
Drucker, P. (1943). Ceramic sequences at Tres Zapotes, Veracruz, Mexico. United States Government Printing Office.
Cita Chicago (17th ed.)
Drucker, Philip. Ceramic Sequences at Tres Zapotes, Veracruz, Mexico. Washington: United States Government Printing Office, 1943.
Cita MLA (9th ed.)
Drucker, Philip. Ceramic Sequences at Tres Zapotes, Veracruz, Mexico. United States Government Printing Office, 1943.
Atenció: Aquestes cites poden no estar 100% correctes.