@book{212453,
	author = {Hickman, Cleveland Pendleton},
	title = {Principios integrales de zoología},
	publisher = {McGraw-Hill/Interamericana},
	year = {c2009.},
	address = {Madrid},
	edition = {14th ed.},
	note = {Includes bibliographical references and index.},
	url = {http://www.loc.gov/catdir/toc/ecip0720/2007024506.html}
}