Cita APA (7a ed.)

Wrenn, L. G. (1998). The invalid marriage. Canon Law Society of America.

Cita Chicago Style (17a ed.)

Wrenn, Lawrence G. The Invalid Marriage. Washington, D.C.: Canon Law Society of America, 1998.

Cita MLA (8a ed.)

Wrenn, Lawrence G. The Invalid Marriage. Canon Law Society of America, 1998.