APA引文

Hawking, S. W., & Penrose, R. (1996). The nature of space and time. Princeton University Press, ; Oxford University Press.

芝加哥风格引文

Hawking, S. W., 与 Roger Penrose. The Nature of Space and Time. Princeton, N.J. : New York ; New Delhi: Princeton University Press, ; Oxford University Press, 1996.

MLA引文

Hawking, S. W., 与 Roger Penrose. The Nature of Space and Time. Princeton University Press, ; Oxford University Press, 1996.