MLA

Donald, Merlin. Origins of the Modern Mind : Three Stages In the Evolution of Culture and Cognition. Cambridge (Mass.): Harvard university press, 1991.

APA

Donald, M. (1991). Origins of the modern mind : three stages in the evolution of culture and cognition. Cambridge (Mass.): Harvard university press.

Chicago

Donald, Merlin, Origins of the Modern Mind: Three Stages In the Evolution of Culture and Cognition. Cambridge (Mass.): Harvard university press, 1991.