APA (7th ed.) Citation

MacLean, P. D. (1993). On the Evolution of Three Mentalities. Brain, culture and the human spirit, 15-44.

Chicago Style (17th ed.) Citation

MacLean, Paul D. "On the Evolution of Three Mentalities." Brain, Culture and the Human Spirit 1993: 15-44.

MLA (8th ed.) Citation

MacLean, Paul D. "On the Evolution of Three Mentalities." Brain, Culture and the Human Spirit, 1993, pp. 15-44.

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