Emery, A. H., & Fieldner, A. C. (1932). Research activities in mineral industries of U.S. [publisher not identified].
Chicago Style (17th ed.) CitationEmery, Alden Hays, and Arno Carl Fieldner. Research Activities in Mineral Industries of U.S. Washington, D.C.: [publisher not identified], 1932.
MLA (9th ed.) CitationEmery, Alden Hays, and Arno Carl Fieldner. Research Activities in Mineral Industries of U.S. [publisher not identified], 1932.
Warning: These citations may not always be 100% accurate.