APA استشهاد

Lickorish, W. B. R. (1997). Introduction to knot theory. Springer.

استشهاد بنمط شيكاغو

Lickorish, W. B. Raymond. Introduction to Knot Theory. New York: Springer, 1997.

MLA استشهاد

Lickorish, W. B. Raymond. Introduction to Knot Theory. Springer, 1997.