APA (7th ed.) Citation

Jackson, N., & Penn, P. (1966). A dictionary of natural resources and their principal uses. Pergamon.

Chicago Style (17th ed.) Citation

Jackson, Nora, and Philip Penn. A Dictionary of Natural Resources and Their Principal Uses. Oxford, New York [etc.]: Pergamon, 1966.

MLA (9th ed.) Citation

Jackson, Nora, and Philip Penn. A Dictionary of Natural Resources and Their Principal Uses. Pergamon, 1966.