Cita APA (7a ed.)

Shannon, T. A. 1. a. (1983). What are they saying about peace and war? Paulist Press.

Cita Chicago Style (17a ed.)

Shannon, Thomas A. 1940- autor. What Are They Saying About Peace and War? New York [etc.]: Paulist Press, 1983.

Cita MLA (9a ed.)

Shannon, Thomas A. 1940- autor. What Are They Saying About Peace and War? Paulist Press, 1983.