Andrews, C. (1991). Hobbyist guide to the natural aquarium (Aquarium digest international collector's ed.). Tetra Press.
Chicago Style (17th ed.) CitationAndrews, Chris. Hobbyist Guide to the Natural Aquarium. Aquarium digest international collector's ed. Melle, Ger.: Tetra Press, 1991.
MLA (9th ed.) CitationAndrews, Chris. Hobbyist Guide to the Natural Aquarium. Aquarium digest international collector's ed. Tetra Press, 1991.
Warning: These citations may not always be 100% accurate.