APA način citiranja (7. izdanje)
Kirkby, M. (1972). The physical environment of the Nochixtlán Valley, Oaxaca. Vanderbilt University.
Čikaški stil citiranja (17. izdanje)
Kirkby, Michael. The Physical Environment of the Nochixtlán Valley, Oaxaca. Nashville, Tennessee: Vanderbilt University, 1972.
MLA način citiranja (9. izdanje)
Kirkby, Michael. The Physical Environment of the Nochixtlán Valley, Oaxaca. Vanderbilt University, 1972.
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