APA

Forde, . (1976). African systems of kinship and marriage. London: Oxford University Press.

Chicago

Forde, . 1976. African systems of kinship and marriage. London: Oxford University Press.

Harvard

Forde, . (1976). African systems of kinship and marriage. London: Oxford University Press.

MLA

Forde, . African systems of kinship and marriage. London: Oxford University Press. 1976.