Cita APA (7a ed.)

M. Fortes, E. E. African political systems. Oxford University Press.

Cita Chicago Style (17a ed.)

M. Fortes, E.E. Evans-Pritchard. African Political Systems. Oxford University Press.

Cita MLA (8a ed.)

M. Fortes, E.E. Evans-Pritchard. African Political Systems. Oxford University Press.