APA引文

Cromwell, P. R. (2004). Knots and links. Cambridge University Press.

Chicago Edition Citation

Cromwell, Peter R. Knots and Links. Cambridge, UK ; New York: Cambridge University Press, 2004.

MLA引文

Cromwell, Peter R. Knots and Links. Cambridge University Press, 2004.

警告：这些引文格式不一定是100％准确.