Carbonizing properties of Armstrong County, Pa., coals /
by F.W. Smith ... [et al.].

APA Citation

Birge, G. W., Naugle, B. W., Reynolds, D. A., Wolfson, D. E., Smith, F. W. (1954). Carbonizing properties of Armstrong County, Pa., coals. [Washington, D.C.]: U.S. Dept. of the Interior, Bureau of Mines.

MLA Citation

Smith, F. W, et al.. Carbonizing Properties of Armstrong County, Pa., Coals. [Washington, D.C.]: U.S. Dept. of the Interior, Bureau of Mines, 1954.

Warning: These citations may not always be complete (especially for serials).