Cita APA (7th ed.)
Sinclair, U. (1945). Wide is the gate. Viking Press.
Cita Chicago (17th ed.)
Sinclair, Upton. Wide Is the Gate. New York: Viking Press, 1945.
Cita MLA (9th ed.)
Sinclair, Upton. Wide Is the Gate. Viking Press, 1945.
Atenció: Aquestes cites poden no estar 100% correctes.