Cita APA (7a ed.)

Ornstein, R., & Ehrlich, P. R. (1989). New world New mind: Moving toward conscious evolution. Simon & Schuster.

Cita Chicago Style (17a ed.)

Ornstein, Robert, y Paul R. Ehrlich. New World New Mind: Moving Toward Conscious Evolution. New York: Simon & Schuster, 1989.

Cita MLA (9a ed.)

Ornstein, Robert, y Paul R. Ehrlich. New World New Mind: Moving Toward Conscious Evolution. Simon & Schuster, 1989.