Não informado. (1841). Proceedings of the Academy of Natural Sciences of Philadelphia. Academy of Natural Sciences of Philadelphia.
Style de citation Chicago (17e éd.)Não informado. Proceedings of the Academy of Natural Sciences of Philadelphia. Philadelphia, Pa: Academy of Natural Sciences of Philadelphia, 1841.
Style de citation MLA (8e éd.)Não informado. Proceedings of the Academy of Natural Sciences of Philadelphia. Academy of Natural Sciences of Philadelphia, 1841.
Attention : ces citations peuvent ne pas être correctes à 100%.