APA引文

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

Chicago Edition Citation

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

MLA引文

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

警告：这些引文格式不一定是100％准确.