Adams, W. R. (1980). PREP: For better reading. Holt, Rinehart and Winston.
Cita Chicago Style (17a ed.)Adams, W. Royce. PREP: For Better Reading. New York: Holt, Rinehart and Winston, 1980.
Cita MLA (8a ed.)Adams, W. Royce. PREP: For Better Reading. Holt, Rinehart and Winston, 1980.
Precaución: Estas citas no son 100% exactas.