Gould, R. A. (1973). Man's many ways. Harper & Row.
Cita Chicago Style (17a ed.)Gould, Richard A. Man's Many Ways. New York: Harper & Row, 1973.
Cita MLA (8a ed.)Gould, Richard A. Man's Many Ways. Harper & Row, 1973.
Precaución: Estas citas no son 100% exactas.