Cita APA (7th ed.)

Churchill, W. S. (1951). Closing the ring (1a. ed.). Houghton Mifflin Company.

Cita Chicago (17th ed.)

Churchill, Winston S. Closing the Ring. 1a. ed. Boston: Houghton Mifflin Company, 1951.

Cita MLA (9th ed.)

Churchill, Winston S. Closing the Ring. 1a. ed. Houghton Mifflin Company, 1951.