Cita APA (7a ed.)
Hillis, D. (1974). Is there Really only one way? Vision house.
Cita Chicago Style (17a ed.)
Hillis, Dick. Is There Really Only One Way? Santa Ana ,Califonia: Vision house, 1974.
Cita MLA (9a ed.)
Hillis, Dick. Is There Really Only One Way? Vision house, 1974.
Precaución: Estas citas no son 100% exactas.