Cita APA (7th ed.)
Emerson, R. (1967). Africa and United States policy. Prentice-Hall.
Cita Chicago (17th ed.)
Emerson, Rupert. Africa and United States Policy. Englewood Cliffs: Prentice-Hall, 1967.
Cita MLA (9th ed.)
Emerson, Rupert. Africa and United States Policy. Prentice-Hall, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.