APA (7th ed.) Zitazioa

Emerson, R. (1967). Africa and United States policy. Prentice-Hall.

Chicago Style (17th ed.) Zitazioa

Emerson, Rupert. Africa and United States Policy. Englewood Cliffs: Prentice-Hall, 1967.

MLA (9th ed.) Zitazioa

Emerson, Rupert. Africa and United States Policy. Prentice-Hall, 1967.