MLA

Marin, Marin, and Andreas Öchsner. Essentials of Partial Differential Equations. Springer International Publishing, 2019.

APA

Marin, M., & Öchsner, A. (2019). Essentials of Partial Differential Equations. Springer International Publishing.

Chicago

Marin, Marin, and Andreas Öchsner. Essentials of Partial Differential Equations. : Springer International Publishing, 2019.