Cita APA (7a ed.)
Kauffman, D. L. Futurism and Future Studies. National Education Association.
Cita estilo Chicago (17a ed.)
Kauffman, Draper L. Futurism and Future Studies. Washington, EUA: National Education Association.
Cita MLA (9a ed.)
Kauffman, Draper L. Futurism and Future Studies. National Education Association.
Precaución: Estas citas no son 100% exactas.