APA (7th ed.) Citation

Burde, G. (2003). Knots (2nd rev. and extended ed.). Walter de Gruyter.

Chicago Style (17th ed.) Citation

Burde, Gerhard. Knots. 2nd rev. and extended ed. Berlin: Walter de Gruyter, 2003.

MLA (9th ed.) Citation

Burde, Gerhard. Knots. 2nd rev. and extended ed. Walter de Gruyter, 2003.