APA
Guggenberger A., . (1918). The social revolution. St. Louis: B. Herder Book Company.
Chicago
Guggenberger Anthony, . 1918. The social revolution. St. Louis: B. Herder Book Company.
Harvard
Guggenberger A., . (1918). The social revolution. St. Louis: B. Herder Book Company.
MLA
Guggenberger Anthony, . The social revolution. St. Louis: B. Herder Book Company. 1918.
