APA
International African Seminar, . (1966). African systems of thought. London: Published for the International African Institute by the Oxford Press.
Chicago
International African Seminar, . 1966. African systems of thought. London: Published for the International African Institute by the Oxford Press.
Harvard
International African Seminar, . (1966). African systems of thought. London: Published for the International African Institute by the Oxford Press.
MLA
International African Seminar, . African systems of thought. London: Published for the International African Institute by the Oxford Press. 1966.