Cita APA (7a ed.)
Sullivan, M. W. (1963). Programmed English: A modern grammar for high school and college students. (1a. ed.). The Macmillan Company.
Cita Chicago Style (17a ed.)
Sullivan, M. W. Programmed English: A Modern Grammar for High School and College Students. 1a. ed. Estados Unidos: The Macmillan Company, 1963.
Cita MLA (9a ed.)
Sullivan, M. W. Programmed English: A Modern Grammar for High School and College Students. 1a. ed. The Macmillan Company, 1963.
Precaución: Estas citas no son 100% exactas.