APA (7th ed.) Citation

CROWELL, R. H. (1963). Introduction to Knot theory. Springer-Verlag.

Chicago Style (17th ed.) Citation

CROWELL, Richard H. Introduction to Knot Theory. New York: Springer-Verlag, 1963.

MLA (9th ed.) Citation

CROWELL, Richard H. Introduction to Knot Theory. Springer-Verlag, 1963.