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