Styl cytowania APA

Evans-Pritchard, E. E. E., & Fortes, M. E. (1987). African political systems.

Styl cytowania Chicago

Evans-Pritchard, E E; Ed, i M; Ed Fortes. African Political Systems. London, KPI, 1987.

Styl cytowania MLA

Evans-Pritchard, E E; Ed, i M; Ed Fortes. African Political Systems. 1987.