@book{121122,
	author = {Immroth, John Phillip. and Immroth, John Phillip.},
	title = {A guide to the Library of Congress classification /},
	publisher = {Libraries Unlimited,},
	year = {1971.},
	series = {Library science text series},
	address = {Littleton, Colo.,},
	edition = {2d ed.},
	note = {First ed. published in 1968 under title: A guide to Library of Congress classification.}
}