Não informado. (1950). American Journal of Proctology. International Academy of Proctology.
Style de citation Chicago (17e éd.)Não informado. American Journal of Proctology. New York: International Academy of Proctology, 1950.
Style de citation MLA (8e éd.)Não informado. American Journal of Proctology. International Academy of Proctology, 1950.
Attention : ces citations peuvent ne pas être correctes à 100%.