Não informado. (1941). Medical Bulletin. Standard Oil Company and Affiliated Companies.
Style de citation Chicago (17e éd.)Não informado. Medical Bulletin. New York: Standard Oil Company and Affiliated Companies, 1941.
Style de citation MLA (8e éd.)Não informado. Medical Bulletin. Standard Oil Company and Affiliated Companies, 1941.
Attention : ces citations peuvent ne pas être correctes à 100%.