Cita APA (7a ed.)

Woolf, L. S. (1920). Economic imperialism. Harcourt.

Cita Chicago Style (17a ed.)

Woolf, Leonard Sidney. Economic Imperialism. New York: Harcourt, 1920.

Cita MLA (9a ed.)

Woolf, Leonard Sidney. Economic Imperialism. Harcourt, 1920.