APA (7th ed.) Citation

Kielhöfer, H. (2018). Calculus of variations: An introduction to the one-dimensional theory with examples and exercises. Springer. https://doi.org/10.1007/978-3-319-71123-2

Chicago Style (17th ed.) Citation

Kielhöfer, Hansjörg. Calculus of Variations: An Introduction to the One-dimensional Theory with Examples and Exercises. Cham: Springer, 2018. https://doi.org/10.1007/978-3-319-71123-2.

MLA (9th ed.) Citation

Kielhöfer, Hansjörg. Calculus of Variations: An Introduction to the One-dimensional Theory with Examples and Exercises. Springer, 2018. https://doi.org/10.1007/978-3-319-71123-2.