Cita APA (7th ed.)
Collins, R. O., & Collins, R. O. (1971). African history: Texts and cases. Random House.
Cita Chicago (17th ed.)
Collins, Robert O., i Rober O. Collins. African History: Texts and Cases. New York: Random House, 1971.
Cita MLA (9th ed.)
Collins, Robert O., i Rober O. Collins. African History: Texts and Cases. Random House, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.