Cita APA (7a ed.)
North, R. C. The World That Could Be. Stanford Alumni Association.
Cita estilo Chicago (17a ed.)
North, Robert Carver. The World That Could Be. Stanford, EUA: Stanford Alumni Association.
Cita MLA (9a ed.)
North, Robert Carver. The World That Could Be. Stanford Alumni Association.
Precaución: Estas citas no son 100% exactas.