Fulton, P., Coffin, R. W., & Kutsko, M. S. (1983). DEPTH: A system for the display of elementary petroleum themes. United States Department of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationFulton, Patricia, Robert W. Coffin, and Mark S. Kutsko. DEPTH: A System for the Display of Elementary Petroleum Themes. Washington: United States Department of the Interior, Geological Survey, 1983.
MLA (9th ed.) CitationFulton, Patricia, et al. DEPTH: A System for the Display of Elementary Petroleum Themes. United States Department of the Interior, Geological Survey, 1983.
Warning: These citations may not always be 100% accurate.