Academy of Natural Sciences of Philadelphia. Proceedings of the Academy of Natural Sciences of Philadelphia. Academy of Natural Sciences of Philadelphia].
Παραπομπή σε μορφή Chicago (17η εκδ.)Academy of Natural Sciences of Philadelphia. Proceedings of the Academy of Natural Sciences of Philadelphia. [Philadelphia: Academy of Natural Sciences of Philadelphia].
Παραπομπή σε μορφή MLA (8th εκδ.)Academy of Natural Sciences of Philadelphia. Proceedings of the Academy of Natural Sciences of Philadelphia. Academy of Natural Sciences of Philadelphia].
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.