APA (7th ed.) Citation

Girty, G. H. (1928). The Pocono fauna of the Broad Top coal field, Pennsylvania. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Girty, George Herbert. The Pocono Fauna of the Broad Top Coal Field, Pennsylvania. Washington: Department of the Interior, U.S. Geological Survey, 1928.

MLA (9th ed.) Citation

Girty, George Herbert. The Pocono Fauna of the Broad Top Coal Field, Pennsylvania. Department of the Interior, U.S. Geological Survey, 1928.