APA (7th ed.) Citation

Moebs, N. N. (1982). Subsidence over four room-and-pillar sections in southwestern Pennsylvania. U.S. Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

Moebs, Noel N. Subsidence over Four Room-and-pillar Sections in Southwestern Pennsylvania. Washington, D.C.: U.S. Dept. of the Interior, Bureau of Mines, 1982.

MLA (9th ed.) Citation

Moebs, Noel N. Subsidence over Four Room-and-pillar Sections in Southwestern Pennsylvania. U.S. Dept. of the Interior, Bureau of Mines, 1982.