APA (7th ed.) Citation

Salem, L., Salem, C., & Testard, F. (1992). The most beautiful mathematical formulas. J. Wiley.

Chicago Style (17th ed.) Citation

Salem, Lionel, Coralie Salem, and Frederic Testard. The Most Beautiful Mathematical Formulas. New York: J. Wiley, 1992.

MLA (9th ed.) Citation

Salem, Lionel, et al. The Most Beautiful Mathematical Formulas. J. Wiley, 1992.