@book{50337,
	author = {Wallis, Wilson D.},
	title = {An introduction to sociology / },
	publisher = {F.S. Crofts,},
	year = {1930.},
	address = {New York :},
	note = {Includes index.},
	url = {http://catalog.hathitrust.org/api/volumes/oclc/47293329.html}
}