APA (7th ed.) Citation

Fellmann, E., Gautschi, E., & Gautschi, W. (2007). Leonhard Euler. Birkhauser Verlag.

Chicago Style (17th ed.) Citation

Fellmann, Eric, Erika Gautschi, and Walter Gautschi. Leonhard Euler. Basel: Birkhauser Verlag, 2007.

MLA (8th ed.) Citation

Fellmann, Eric, et al. Leonhard Euler. Birkhauser Verlag, 2007.