Cita APA (7a ed.)

Schumacher, W. A. (1957). Spiritus and spiritualis: A study in the sermons of Saint Augustine. Saint Mary of the Lake Seminary.

Cita Chicago Style (17a ed.)

Schumacher, William A. Spiritus and Spiritualis: A Study in the Sermons of Saint Augustine. Mundelein, Illinois, U.S.A: Saint Mary of the Lake Seminary, 1957.

Cita MLA (9a ed.)

Schumacher, William A. Spiritus and Spiritualis: A Study in the Sermons of Saint Augustine. Saint Mary of the Lake Seminary, 1957.