APA aipamena

Hewett, E. L. (1936). Ancient life in Mexico and Central America. Bobbs-Merril.

Chicago Style aipamena

Hewett, Edgar Lee. Ancient Life in Mexico and Central America. Indianapolis: Bobbs-Merril, 1936.

MLA aipamena

Hewett, Edgar Lee. Ancient Life in Mexico and Central America. Bobbs-Merril, 1936.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.