Zettler, M. L., & Zettler, A. (2017). Marine and freshwater Amphipoda from the Baltic Sea and adjacent territories ([1. Auflage].). ConchBooks.
Chicago Style (17th ed.) CitationZettler, Michael L., and Anja Zettler. Marine and Freshwater Amphipoda from the Baltic Sea and Adjacent Territories. [1. Auflage]. Harxheim, Germany: ConchBooks, 2017.
MLA (9th ed.) CitationZettler, Michael L., and Anja Zettler. Marine and Freshwater Amphipoda from the Baltic Sea and Adjacent Territories. [1. Auflage]. ConchBooks, 2017.
Warning: These citations may not always be 100% accurate.