Cita APA (7th ed.)

Fellmann, E. A., Gautschi, W., & Gautschi, E. Leonhard Euler. Birkhäuser Basel : Springer e-books.

Cita Chicago (17th ed.)

Fellmann, Emil Alfred, Walter Gautschi, i Erika Gautschi. Leonhard Euler. Basel: Birkhäuser Basel : Springer e-books.

Cita MLA (8th ed.)

Fellmann, Emil Alfred, et al. Leonhard Euler. Birkhäuser Basel : Springer e-books.