Não informado. (2018). Reprint Series. Geological Survey of Ohio.
Style de citation Chicago (17e éd.)Não informado. Reprint Series. Columbus, Ohio: Geological Survey of Ohio, 2018.
Style de citation MLA (8e éd.)Não informado. Reprint Series. Geological Survey of Ohio, 2018.
Attention : ces citations peuvent ne pas être correctes à 100%.