MLA

el Moctar, Thomas E Schellin, and Heinrich Söding. Numerical Methods for Seakeeping Problems. Springer International Publishing, 2021.

APA

el Moctar, e. Moctar, Schellin, T. E, & Söding, H. (2021). Numerical Methods for Seakeeping Problems. Springer International Publishing.

Chicago

el Moctar, Thomas E Schellin, and Heinrich Söding. Numerical Methods for Seakeeping Problems. : Springer International Publishing, 2021.