Não informado. (1917). Bulletin. American Association of Petroleum Geologists.
Style de citation Chicago (17e éd.)Não informado. Bulletin. Chicago, Ill: American Association of Petroleum Geologists, 1917.
Style de citation MLA (8e éd.)Não informado. Bulletin. American Association of Petroleum Geologists, 1917.
Attention : ces citations peuvent ne pas être correctes à 100%.