APA (7th ed.) Citation

Carnegie Institution of Washington & Stadelman, R. (1970). Maize cultivation in northwestern Guatemala. Johnson Reprint Corp..

Chicago Style (17th ed.) Citation

Carnegie Institution of Washington and Raymond Stadelman. Maize Cultivation in Northwestern Guatemala. New York: Johnson Reprint Corp., 1970.

MLA (9th ed.) Citation

Carnegie Institution of Washington and Raymond Stadelman. Maize Cultivation in Northwestern Guatemala. Johnson Reprint Corp., 1970.