APA (7th ed.) Citation

(2003). Knots (2., rev. and extended ed.). de Gruyter. https://doi.org/10.1515/9783110198034

Chicago Style (17th ed.) Citation

Knots. 2., rev. and extended ed. Berlin [u.a.]: de Gruyter, 2003. https://doi.org/10.1515/9783110198034.

MLA (9th ed.) Citation

Knots. 2., rev. and extended ed. de Gruyter, 2003. https://doi.org/10.1515/9783110198034.