May, R. R., & Warfield, R. S. (1957). Investigation of subbituminous-coal beds near Houston, westward extremity of Matanuska Coalfield, Alaska. United States Department of the Interior, Bureau of Mines.
Chicago Style (17th ed.) CitationMay, R. R., and R. S. Warfield. Investigation of Subbituminous-coal Beds Near Houston, Westward Extremity of Matanuska Coalfield, Alaska. [Washington, D.C.]: United States Department of the Interior, Bureau of Mines, 1957.
MLA (9th ed.) CitationMay, R. R., and R. S. Warfield. Investigation of Subbituminous-coal Beds Near Houston, Westward Extremity of Matanuska Coalfield, Alaska. United States Department of the Interior, Bureau of Mines, 1957.
Warning: These citations may not always be 100% accurate.