Cita APA (7a ed.)

Trigger, B. G. (1998). Sociocultural evolution: Calculation and contingency. Blackwell.

Cita Chicago Style (17a ed.)

Trigger, Bruce G. Sociocultural Evolution: Calculation and Contingency. Oxford [etc.]: Blackwell, 1998.

Cita MLA (9a ed.)

Trigger, Bruce G. Sociocultural Evolution: Calculation and Contingency. Blackwell, 1998.