Levin, H. L. (1983). The Earth through time. Saunders College Publishing.
Chicago Style (17th ed.) CitationLevin, Harold L. The Earth Through Time. Saunders College Publishing, 1983.
MLA (8th ed.) CitationLevin, Harold L. The Earth Through Time. Saunders College Publishing, 1983.
Warning: These citations may not always be 100% accurate.