MLA

Eiten, Robert B. The Apostolate of Suffering. Detroit, Mich.: Mariannhill mission society, 1946.

APA

Eiten, R. B. (1946). The apostolate of suffering. Detroit, Mich.: Mariannhill mission society.

Chicago

Eiten, Robert B. The Apostolate of Suffering. Detroit, Mich.: Mariannhill mission society, 1946.