APA-viite (7. p.)
Smith, C. E. (1976). Modern vegetation and ancient plant remains of the Nochixtlan Valley, Oaxaca. Vanderbilt University.
Chicago-viite (17. p.)
Smith, C. Earle. Modern Vegetation and Ancient Plant Remains of the Nochixtlan Valley, Oaxaca. Nashville, Tennessee: Vanderbilt University, 1976.
MLA-viite (9. p.)
Smith, C. Earle. Modern Vegetation and Ancient Plant Remains of the Nochixtlan Valley, Oaxaca. Vanderbilt University, 1976.
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