SpringerLink (Online service), Lipps, J. H., & Signor, P. W. (1992). Origin and early evolution of the Metazoa. Plenum Press.
Chicago Style (17th ed.) CitationSpringerLink (Online service), Jere H. Lipps, and Philip W. Signor. Origin and Early Evolution of the Metazoa. New York: Plenum Press, 1992.
MLA (9th ed.) CitationSpringerLink (Online service), et al. Origin and Early Evolution of the Metazoa. Plenum Press, 1992.
Warning: These citations may not always be 100% accurate.