Cita APA (7th ed.)

Johannsen, R. W. (1966). Democracy on trial. McGraw-Hill.

Cita Chicago (17th ed.)

Johannsen, Robert W. Democracy on Trial. New York: McGraw-Hill, 1966.

Cita MLA (9th ed.)

Johannsen, Robert W. Democracy on Trial. McGraw-Hill, 1966.

Atenció: Aquestes cites poden no estar 100% correctes.