APA (7th ed.) Citation

De Boor, C. (1985). A practical guide to splines (3. printing.). Springer.

Chicago Style (17th ed.) Citation

De Boor, Carl. A Practical Guide to Splines. 3. printing. New York u.a: Springer, 1985.

MLA (9th ed.) Citation

De Boor, Carl. A Practical Guide to Splines. 3. printing. Springer, 1985.