Cita APA (7th ed.)
Berkhof, H. (1977). Christ and the powers (2nd ed.). Mennonite Publishing house.
Cita Chicago (17th ed.)
Berkhof, Hendrik. Christ and the Powers. 2nd ed. Scottdale: Mennonite Publishing house, 1977.
Cita MLA (9th ed.)
Berkhof, Hendrik. Christ and the Powers. 2nd ed. Mennonite Publishing house, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.