APA (7th ed.) Citation

(1967). The evolution of differentiation / [by] William S. Bullough.

Chicago Style (17th ed.) Citation

The Evolution of Differentiation / [by] William S. Bullough. 1967.

MLA (9th ed.) Citation

The Evolution of Differentiation / [by] William S. Bullough. 1967.

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