Cita APA (7th ed.)
Smith, C. E. (1976). Modern vegetation and ancient plant remains of the Nochixtlan Valley, Oaxaca. Vanderbilt University.
Cita Chicago (17th ed.)
Smith, C. Earle. Modern Vegetation and Ancient Plant Remains of the Nochixtlan Valley, Oaxaca. Nashville, Tennessee: Vanderbilt University, 1976.
Cita MLA (9th ed.)
Smith, C. Earle. Modern Vegetation and Ancient Plant Remains of the Nochixtlan Valley, Oaxaca. Vanderbilt University, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.