APA

Hammer B., . (1909). Mary : help of Christian and the fourteen saints as holy helpers. New York: s.n.

Chicago

Hammer Bonaventure, . 1909. Mary : help of Christian and the fourteen saints as holy helpers. New York: s.n.

Harvard

Hammer B., . (1909). Mary : help of Christian and the fourteen saints as holy helpers. New York: s.n.

MLA

Hammer Bonaventure, . Mary : help of Christian and the fourteen saints as holy helpers. New York: s.n. 1909.