Não informado. (2011). Memoirs Read Before the Boston Society of Natural History. Boston Society of Natural History.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Memoirs Read Before the Boston Society of Natural History. Boston, Mass: Boston Society of Natural History, 2011.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Memoirs Read Before the Boston Society of Natural History. Boston Society of Natural History, 2011.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.