Cita APA

Kahn, H., & Wiener, A. J. (1968). Year 2000: Framework for speculation on the next thirty-three years.

Citación estilo Chicago

Kahn, Herman, y Anthony J. Wiener. Year 2000: Framework for Speculation on the Next Thirty-three Years. 1968.

Cita MLA

Kahn, Herman, y Anthony J. Wiener. Year 2000: Framework for Speculation on the Next Thirty-three Years. 1968.