APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.