Cita APA (7th ed.)
Shahn, B. (1957). The share of content (ed.). Havard Univ.
Cita Chicago (17th ed.)
Shahn, Ben. The Share of Content. ed. Cambridge: Havard Univ, 1957.
Cita MLA (9th ed.)
Shahn, Ben. The Share of Content. ed. Havard Univ, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.