Cita APA (7a ed.)

Buck, P. W., & Travis, M. B. (1957). Control of foreign relations in modern nations: Philip W. Buck and Martin W. [i.e.B.] Travis, Jr ([1st ed.].). W. W. Norton.

Cita Chicago Style (17a ed.)

Buck, Philip Wallenstein, y Martin Bice Travis. Control of Foreign Relations in Modern Nations: Philip W. Buck and Martin W. [i.e.B.] Travis, Jr. [1st ed.]. New York: W. W. Norton, 1957.

Cita MLA (9a ed.)

Buck, Philip Wallenstein, y Martin Bice Travis. Control of Foreign Relations in Modern Nations: Philip W. Buck and Martin W. [i.e.B.] Travis, Jr. [1st ed.]. W. W. Norton, 1957.