Cita APA (7a ed.)

Demmer, K., & Brenninkmeijer-Werhahn, A. (1997). Christian marriage today. Catholic University of America Press.

Cita Chicago Style (17a ed.)

Demmer, Klaus, y Aldegonde Brenninkmeijer-Werhahn. Christian Marriage Today. Washington: Catholic University of America Press, 1997.

Cita MLA (9a ed.)

Demmer, Klaus, y Aldegonde Brenninkmeijer-Werhahn. Christian Marriage Today. Catholic University of America Press, 1997.