APA

Elchinger L. A., . (1965). A challenge to the church. Westminster, Md: Newman Press.

Chicago

Elchinger León Arthur, . 1965. A challenge to the church. Westminster, Md: Newman Press.

Harvard

Elchinger L. A., . (1965). A challenge to the church. Westminster, Md: Newman Press.

MLA

Elchinger León Arthur, . A challenge to the church. Westminster, Md: Newman Press. 1965.