Cita APA (7th ed.)

Christenson, L., & Christenson, N. (1977). The Christian couple. Bethany.

Cita Chicago (17th ed.)

Christenson, Laurence, i Nordis Christenson. The Christian Couple. Minneapolis: Bethany, 1977.

Cita MLA (9th ed.)

Christenson, Laurence, i Nordis Christenson. The Christian Couple. Bethany, 1977.