Cita APA (7a ed.)

Hoover, H., & Gibson, H. (1942). The problems of lasting peace. Doubleday, Doran and Company.

Cita Chicago Style (17a ed.)

Hoover, Herbert, y Hugh Gibson. The Problems of Lasting Peace. New York: Doubleday, Doran and Company, 1942.

Cita MLA (9a ed.)

Hoover, Herbert, y Hugh Gibson. The Problems of Lasting Peace. Doubleday, Doran and Company, 1942.