APA (7th ed.) Citation

Birge, G. W., & Wolfson, D. E. (1957). Carbonizing properties of Westmoreland County, Pa., coals. U.S. Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

Birge, G. W., and D. E. Wolfson. Carbonizing Properties of Westmoreland County, Pa., Coals. [Washington, D.C.]: U.S. Dept. of the Interior, Bureau of Mines, 1957.

MLA (9th ed.) Citation

Birge, G. W., and D. E. Wolfson. Carbonizing Properties of Westmoreland County, Pa., Coals. U.S. Dept. of the Interior, Bureau of Mines, 1957.