Ericksen, R. P. (1985). Theologians under Hitler: Gerhard Kittel, Paul Althaus and Emanuel Hirsch / Robert P. Ericksen. Yale Univ. Press.
Čikaški stil citiranja (17. izdanje)Ericksen, Robert P. Theologians Under Hitler: Gerhard Kittel, Paul Althaus and Emanuel Hirsch / Robert P. Ericksen. New Haven [u.a.]: Yale Univ. Press, 1985.
MLA način citiranja (8. izdanje)Ericksen, Robert P. Theologians Under Hitler: Gerhard Kittel, Paul Althaus and Emanuel Hirsch / Robert P. Ericksen. Yale Univ. Press, 1985.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.