Cita APA

Sullivan, N. E., & Sullivan, N. E. (1963). Programmed Astronomy: Tests. New York, New York: McGraw-Hill.

Citación estilo Chicago

Sullivan, Neil E., y Neil E. Sullivan. Programmed Astronomy: Tests. New York, New York: McGraw-Hill, 1963.

Cita MLA

Sullivan, Neil E., y Neil E. Sullivan. Programmed Astronomy: Tests. New York, New York: McGraw-Hill, 1963.