Schwartz, P. (1991). The art of the long view. Doubleday.
Cita Chicago Style (17a ed.)Schwartz, Peter. The Art of the Long View. New York [etc.]: Doubleday, 1991.
Cita MLA (9a ed.)Schwartz, Peter. The Art of the Long View. Doubleday, 1991.
Precaución: Estas citas no son 100% exactas.