Παραπομπή σε μορφή APA (7η εκδ.)

Hudson, W. H., & Bull, W. H. (1901). The Famous Missions of California: By William Henry Hudson. With sketches in color by W. H. Bull. Dodge.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hudson, William Henry, και William Howell Bull. The Famous Missions of California: By William Henry Hudson. With Sketches in Color by W. H. Bull. New York, NY: Dodge, 1901.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hudson, William Henry, και William Howell Bull. The Famous Missions of California: By William Henry Hudson. With Sketches in Color by W. H. Bull. Dodge, 1901.