Cita APA (7a ed.)

Kahn, H., & Wiener, A. J. (1967). the year 2000: A framework for speculation on the next thirty-three years. The MacMillan company.

Cita Chicago Style (17a ed.)

Kahn, Herman, y Anthony J. Wiener. The Year 2000: A Framework for Speculation on the Next Thirty-three Years. New York: The MacMillan company, 1967.

Cita MLA (8a ed.)

Kahn, Herman, y Anthony J. Wiener. The Year 2000: A Framework for Speculation on the Next Thirty-three Years. The MacMillan company, 1967.