APA način citiranja (7. izdanje)

Langan, J. P., & Weigel, G. (1991). The American search for peace: Moral reasoning religious hope, and national security. Georgetown University.

Čikaški stil citiranja (17. izdanje)

Langan, John P., i George Weigel. The American Search for Peace: Moral Reasoning Religious Hope, and National Security. Washington: Georgetown University, 1991.

MLA način citiranja (9. izdanje)

Langan, John P., i George Weigel. The American Search for Peace: Moral Reasoning Religious Hope, and National Security. Georgetown University, 1991.