The enigma of the mind /
by Robert Campbell and the editors of Time-Life Books.
APA Citation
Campbell, R., Time-Life Books. (1976). The enigma of the mind. New York: Time-Life Books.
MLA Citation
Campbell, Robert, 1922-, and Time-Life Books. The Enigma of the Mind. New York: Time-Life Books, 1976.
Warning: These citations may not always be complete (especially for serials).