APA-referens (7:e uppl.)

(1906). The Sculpture of Joseph Sibbel: Reproductions of Some of His Erected Statues, Groups, Relievos, Altars, etc. New York.

Chicago-referens (17:e uppl.)

The Sculpture of Joseph Sibbel: Reproductions of Some of His Erected Statues, Groups, Relievos, Altars, Etc. New York, 1906.

MLA-referens (8:e uppl.)

The Sculpture of Joseph Sibbel: Reproductions of Some of His Erected Statues, Groups, Relievos, Altars, Etc. New York, 1906.