Towle, M. A. (1961). The ethnobotany of pre-Columbian Peru. Aldine.
Cita Chicago (17th ed.)Towle, Margaret Ashley. The Ethnobotany of Pre-Columbian Peru. Chicago: Aldine, 1961.
Cita MLA (9th ed.)Towle, Margaret Ashley. The Ethnobotany of Pre-Columbian Peru. Aldine, 1961.
Atenció: Aquestes cites poden no estar 100% correctes.