APA Edition Citation

Bullough. (1960). The evolution of differentiation (4th ed.). Holt.

Chicago Edition Citation

Bullough. The Evolution of Differentiation. 4th ed. Holt, 1960.

MLA Edition Citation

Bullough. The Evolution of Differentiation. 4th ed. Holt, 1960.

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