Cita APA (7th ed.)

M. Fortes ed & E.E. Evans-Pritchard ed. (1987). African political systems. K.P.I.

Cita Chicago (17th ed.)

M. Fortes ed i E.E. Evans-Pritchard ed. African Political Systems. London: K.P.I, 1987.

Cita MLA (9th ed.)

M. Fortes ed i E.E. Evans-Pritchard ed. African Political Systems. K.P.I, 1987.