APA Edition Citation

Jackson, N., & Penn, P. Dictionary of natural resources and their principal uses/2nd ed (2nd ed.).

Chicago Edition Citation

Jackson, Nora, and Philip Penn. Dictionary of Natural Resources and Their Principal Uses/2nd Ed. 2nd ed.

MLA Edition Citation

Jackson, Nora, and Philip Penn. Dictionary of Natural Resources and Their Principal Uses/2nd Ed. 2nd ed.

Warning: These citations may not always be 100% accurate.