APA (7th ed.) Citation

Nixon, H. H., Nixon, J. L., & Zallinger, J. (1977). Oil and gas: From fossils to fuels. Harcourt Brace Jovanovich.

Chicago Style (17th ed.) Citation

Nixon, Hershell H., Joan Lowery Nixon, and Jean Zallinger. Oil and Gas: From Fossils to Fuels. New York: Harcourt Brace Jovanovich, 1977.

MLA (9th ed.) Citation

Nixon, Hershell H., et al. Oil and Gas: From Fossils to Fuels. Harcourt Brace Jovanovich, 1977.