Thomas, R. D. (1974). Instructor\'s guide to earth. WH Freeman.
Chicago Style (17th ed.) CitationThomas, Roger DK. Instructor\'s Guide to Earth. WH Freeman, 1974.
MLA (8th ed.) CitationThomas, Roger DK. Instructor\'s Guide to Earth. WH Freeman, 1974.
Warning: These citations may not always be 100% accurate.