MLA

Gaeta, Giuseppe. Perturbation Theory : Mathematics, Methods and Applications. New York, NY: Springer, 2023.

APA

Gaeta, G. (2023). Perturbation Theory : Mathematics, Methods and Applications. New York, NY: Springer.

Chicago

Gaeta, Giuseppe. Perturbation Theory : Mathematics, Methods and Applications. New York, NY: Springer, 2023.