Cita APA (7a ed.)

Worthington, E. L. (1994). Marriage counseling: A Christian approach. [s.n.].

Cita Chicago Style (17a ed.)

Worthington, Everett L. Marriage Counseling: A Christian Approach. [S.l.]: [s.n.], 1994.

Cita MLA (9a ed.)

Worthington, Everett L. Marriage Counseling: A Christian Approach. [s.n.], 1994.