Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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