Citazione APA

Abbott, J., & Roberts, W. (1852). Rodolphus: A Franconia story. Harper & Bros..

Stile di citazione Chicago

Abbott, Jacob, e William Roberts. Rodolphus: A Franconia Story. New York: Harper & Bros., 1852.

Citazione MLA

Abbott, Jacob, e William Roberts. Rodolphus: A Franconia Story. Harper & Bros., 1852.