APA(7版)引用形式

Hawking, S. W., & Penrose, R. (2010). The nature of space and time (13th print.). Princeton University Press.

Chicagoスタイル(17版)引用形式

Hawking, S. W., , Roger Penrose. The Nature of Space and Time. 13th print. Princeton, N.J.: Princeton University Press, 2010.

MLA(9版)引用形式

Hawking, S. W., , Roger Penrose. The Nature of Space and Time. 13th print. Princeton University Press, 2010.

警告: この引用は必ずしも正確ではありません.