ScienceDirect (Online service) & Lawrence, J. M. (2007). Edible sea urchins: Biology and ecology (Second edition.). Elsevier.
Chicago Style (17th ed.) CitationScienceDirect (Online service) and John M. Lawrence. Edible Sea Urchins: Biology and Ecology. Second edition. Amsterdam ; Boston: Elsevier, 2007.
MLA (9th ed.) CitationScienceDirect (Online service) and John M. Lawrence. Edible Sea Urchins: Biology and Ecology. Second edition. Elsevier, 2007.
Warning: These citations may not always be 100% accurate.