APA (7th ed.) Citation

American Geological Institute. (1954). Directory of geologists and exploration geophysicists in member societies of the American Geological Institute. American Geological Institute.

Chicago Style (17th ed.) Citation

American Geological Institute. Directory of Geologists and Exploration Geophysicists in Member Societies of the American Geological Institute. Washington: American Geological Institute, 1954.

MLA (9th ed.) Citation

American Geological Institute. Directory of Geologists and Exploration Geophysicists in Member Societies of the American Geological Institute. American Geological Institute, 1954.