APA (7th ed.) Citation

De Boor, C. (1978). A practical guide to splines. Springer.

Chicago Style (17th ed.) Citation

De Boor, Carl. A Practical Guide to Splines. New York [u.a.]: Springer, 1978.

MLA (9th ed.) Citation

De Boor, Carl. A Practical Guide to Splines. Springer, 1978.