APA (7th ed.) Citation

Hughes, J. D. (2006). What is environmental history? Polity.

Chicago Style (17th ed.) Citation

Hughes, J. Donald. What Is Environmental History? Cambridge: Polity, 2006.

MLA (9th ed.) Citation

Hughes, J. Donald. What Is Environmental History? Polity, 2006.

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