Cita APA (7a ed.)

Allen Parsons,Lee. (1967). Bilbao,Guatemala an archeological study of the Pacific coast Cotzumalhuapa Region.

Cita Chicago Style (17a ed.)

Allen Parsons,Lee. Bilbao,Guatemala an Archeological Study of the Pacific Coast Cotzumalhuapa Region. -, 1967.

Cita MLA (8a ed.)

Allen Parsons,Lee. Bilbao,Guatemala an Archeological Study of the Pacific Coast Cotzumalhuapa Region. 1967.