Freeberg, J. (1966). Terrestrial impact structures -- a bibliography. United States Department of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationFreeberg, Jacquelyn. Terrestrial Impact Structures -- a Bibliography. [Washington, D.C.]: United States Department of the Interior, Geological Survey, 1966.
MLA (9th ed.) CitationFreeberg, Jacquelyn. Terrestrial Impact Structures -- a Bibliography. United States Department of the Interior, Geological Survey, 1966.
Warning: These citations may not always be 100% accurate.