Cita APA (7a ed.)

Kahn, H., Wiener, A. J., & Bell, D. (1968). The year 2000: A framework for speculation on the next thirty-three years ([4th print.].). Macmillan Company.

Cita Chicago Style (17a ed.)

Kahn, Herman, Anthony J. Wiener, y Daniel Bell. The Year 2000: A Framework for Speculation on the Next Thirty-three Years. [4th print.]. New York: Macmillan Company, 1968.

Cita MLA (9a ed.)

Kahn, Herman, et al. The Year 2000: A Framework for Speculation on the Next Thirty-three Years. [4th print.]. Macmillan Company, 1968.