APA (7th ed.) Citation

Hansen, V. L. (1989). Braids and coverings: Selected topics. Cambridge University Press.

Chicago Style (17th ed.) Citation

Hansen, Vagn Lundsgaard. Braids and Coverings: Selected Topics. Cambridge: Cambridge University Press, 1989.

MLA (9th ed.) Citation

Hansen, Vagn Lundsgaard. Braids and Coverings: Selected Topics. Cambridge University Press, 1989.