Cita APA (7a ed.)
Küng, H., & Kasper, W. (1973). Polarization in the Church. Herder and Herder.
Cita estilo Chicago (17a ed.)
Küng, Hans, y Walter Kasper. Polarization in the Church. Nueva York, EUA: Herder and Herder, 1973.
Cita MLA (9a ed.)
Küng, Hans, y Walter Kasper. Polarization in the Church. Herder and Herder, 1973.
Precaución: Estas citas no son 100% exactas.