APA (7th ed.) Citation

Willers, F. A. (1948). Practical analysis: Graphical and numerical methods. Dover Publications.

Chicago Style (17th ed.) Citation

Willers, Fr. A. Practical Analysis: Graphical and Numerical Methods. Nueva York: Dover Publications, 1948.

MLA (9th ed.) Citation

Willers, Fr. A. Practical Analysis: Graphical and Numerical Methods. Dover Publications, 1948.