APA (7th ed.) Citation

Crowell, R. H., & Fox, R. H. (1977). Introduction to Knot Theory. Springer New York.

Chicago Style (17th ed.) Citation

Crowell, Richard H., and Ralph H. Fox. Introduction to Knot Theory. New York, NY: Springer New York, 1977.

MLA (9th ed.) Citation

Crowell, Richard H., and Ralph H. Fox. Introduction to Knot Theory. Springer New York, 1977.