McCandless, D. (2014). Knowledge is beautiful (1st printing.). Harper Design.
Cita Chicago Style (17a ed.)McCandless, David. Knowledge Is Beautiful. 1st printing. New York: Harper Design, 2014.
Cita MLA (9a ed.)McCandless, David. Knowledge Is Beautiful. 1st printing. Harper Design, 2014.
Precaución: Estas citas no son 100% exactas.