APA (7th ed.) Citation

Fortes, M., & Evans-Pritchard, E. E. (1987). African political systems. KPI [etc.].

Chicago Style (17th ed.) Citation

Fortes, Meyer, and E. E. Evans-Pritchard. African Political Systems. London [etc.]: KPI [etc.], 1987.

MLA (9th ed.) Citation

Fortes, Meyer, and E. E. Evans-Pritchard. African Political Systems. KPI [etc.], 1987.