APA (7th ed.) Citation

Crowell, R. H., & Fox, R. H. (1965). Introduction to knot theory (2. print.). Blaisdell.

Chicago Style (17th ed.) Citation

Crowell, Richard H., and Ralph H. Fox. Introduction to Knot Theory. 2. print. New York [u.a.]: Blaisdell, 1965.

MLA (9th ed.) Citation

Crowell, Richard H., and Ralph H. Fox. Introduction to Knot Theory. 2. print. Blaisdell, 1965.