Park, C. F., & Freeman, M. C. (1981). Earthbound: Minerals, energy, and man's future. Freeman, Cooper.
Chicago Style (17th ed.) CitationPark, Charles Frederick, and Margaret C. Freeman. Earthbound: Minerals, Energy, and Man's Future. San Francisco: Freeman, Cooper, 1981.
MLA (9th ed.) CitationPark, Charles Frederick, and Margaret C. Freeman. Earthbound: Minerals, Energy, and Man's Future. Freeman, Cooper, 1981.
Warning: These citations may not always be 100% accurate.