APA Citation

Hoffman, J. N. (1972). Girard estate coal lands in Pennsylvania, 1801-1884. Washington, D.C.: Smithsonian Institution Press.

Chicago Style Citation

Hoffman, John N. Girard Estate Coal Lands in Pennsylvania, 1801-1884. Washington, D.C.: Smithsonian Institution Press, 1972.

MLA Citation

Hoffman, John N. Girard Estate Coal Lands in Pennsylvania, 1801-1884. Washington, D.C.: Smithsonian Institution Press, 1972.

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