APA (7th ed.) Citation

Wilson, E. H. (1920). The romance of our trees. Doubleday, Page.

Chicago Style (17th ed.) Citation

Wilson, Ernest H. The Romance of Our Trees. New York: Doubleday, Page, 1920.

MLA (9th ed.) Citation

Wilson, Ernest H. The Romance of Our Trees. Doubleday, Page, 1920.