APA

Mackin T., . (1989). The marital sacrament. New York: Paulist Press.

Chicago

Mackin Theodore, . 1989. The marital sacrament. New York: Paulist Press.

Harvard

Mackin T., . (1989). The marital sacrament. New York: Paulist Press.

MLA

Mackin Theodore, . The marital sacrament. New York: Paulist Press. 1989.