APA (7th ed.) Citation

Sando, W. J. (1957). Beekmantown group: Lower Ordovician, of Maryland. Geological Society of America].

Chicago Style (17th ed.) Citation

Sando, William Jasper. Beekmantown Group: Lower Ordovician, of Maryland. [New York: Geological Society of America], 1957.

MLA (9th ed.) Citation

Sando, William Jasper. Beekmantown Group: Lower Ordovician, of Maryland. Geological Society of America], 1957.

Warning: These citations may not always be 100% accurate.