APA

Graf E. O., . (1926). The priest at the altar. N.Y: Wagner.

Chicago

Graf Ernest O.S.B, . 1926. The priest at the altar. N.Y: Wagner.

Harvard

Graf E. O., . (1926). The priest at the altar. N.Y: Wagner.

MLA

Graf Ernest O.S.B, . The priest at the altar. N.Y: Wagner. 1926.