APA (7th ed.) Citation

Sard, A. (1963). Linear approximation. American Math. Soc.

Chicago Style (17th ed.) Citation

Sard, Arthur. Linear Approximation. Providence, RI: American Math. Soc, 1963.

MLA (9th ed.) Citation

Sard, Arthur. Linear Approximation. American Math. Soc, 1963.