Cita APA (7a ed.)

Nixon, R. M. (1962). Six crises. Doubleday & Company.

Cita Chicago Style (17a ed.)

Nixon, Richard M. Six Crises. Garden City, New York: Doubleday & Company, 1962.

Cita MLA (9a ed.)

Nixon, Richard M. Six Crises. Doubleday & Company, 1962.