Cita APA (7a ed.)

Jessup, J. K. (1960). The national purpose. Holt, Rinehart & Winston.

Cita Chicago Style (17a ed.)

Jessup, John Knox. The National Purpose. New York: Holt, Rinehart & Winston, 1960.

Cita MLA (9a ed.)

Jessup, John Knox. The National Purpose. Holt, Rinehart & Winston, 1960.