Não informado. (2002). Bulletin of the Natural History Survey of the Chicago Academy of Sciences. Chicago Academy of Sciences.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Bulletin of the Natural History Survey of the Chicago Academy of Sciences. Chicago, Ill: Chicago Academy of Sciences, 2002.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Bulletin of the Natural History Survey of the Chicago Academy of Sciences. Chicago Academy of Sciences, 2002.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.