Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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