APA

Ziegler J. H., Catholic University of America (Washington), . (1959). The obligation of the confessor to instruct penitents. Washington (D.C.): Catholic University of America.

Chicago

Ziegler John Henry, Catholic University of America (Washington), . 1959. The obligation of the confessor to instruct penitents. Washington (D.C.): Catholic University of America.

Harvard

Ziegler J. H., Catholic University of America (Washington), . (1959). The obligation of the confessor to instruct penitents. Washington (D.C.): Catholic University of America.

MLA

Ziegler John Henry, Catholic University of America (Washington), . The obligation of the confessor to instruct penitents. Washington (D.C.): Catholic University of America. 1959.