APA način citiranja (7. izdanje)

Gorgen, C. P. (1963). Catholic conscientious objectors. s.n..

Čikaški stil citiranja (17. izdanje)

Gorgen, Carol Perry. Catholic Conscientious Objectors. [United States: s.n., 1963.

MLA način citiranja (8. izdanje)

Gorgen, Carol Perry. Catholic Conscientious Objectors. s.n., 1963.