APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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