Não informado. (2001). American Journal of Science. American Journal of Science.
Style de citation Chicago (17e éd.)Não informado. American Journal of Science. New Haven, Conn: American Journal of Science, 2001.
Style de citation MLA (8e éd.)Não informado. American Journal of Science. American Journal of Science, 2001.
Attention : ces citations peuvent ne pas être correctes à 100%.