APA (7th ed.) Citation

Jackson, N., & Penn, P. (1969). A dictionary of natural resources and their principal uses ([2d ed.].). Pergamon Press.

Chicago Style (17th ed.) Citation

Jackson, Nora, and Philip Penn. A Dictionary of Natural Resources and Their Principal Uses. [2d ed.]. Oxford, New York: Pergamon Press, 1969.

MLA (9th ed.) Citation

Jackson, Nora, and Philip Penn. A Dictionary of Natural Resources and Their Principal Uses. [2d ed.]. Pergamon Press, 1969.