APA (7th ed.) Citation

Signor, e. b. J. H. L. a. P. W. Origin and early evolution of the Metazoa. Plenum Press.

Chicago Style (17th ed.) Citation

Signor, edited by Jere H. Lipps and Philip W. Origin and Early Evolution of the Metazoa. Plenum Press.

MLA (8th ed.) Citation

Signor, edited by Jere H. Lipps and Philip W. Origin and Early Evolution of the Metazoa. Plenum Press.

Warning: These citations may not always be 100% accurate.