APA

Regan J. W., . (1955). A primer of theology. Dubuque, Iowa: Priory Press.

Chicago

Regan James W, . 1955. A primer of theology. Dubuque, Iowa: Priory Press.

Harvard

Regan J. W., . (1955). A primer of theology. Dubuque, Iowa: Priory Press.

MLA

Regan James W, . A primer of theology. Dubuque, Iowa: Priory Press. 1955.