Gaya APA

Fennel, W., Neumann, T. (2015). Introduction to the Modelling of Marine Ecosystems (2nd ed.). Oxford: Elsevier B.V..

Gaya MLA

Fennel, Wolfgang., Neumann, Thomas. "Introduction to the Modelling of Marine Ecosystems". 2nd ed. Oxford: Elsevier B.V., 2015. e-book.