Library of Congress & Gale Research Company. (1971). English language books by title: A catalog of Library of Congress printed cards, 1969-1970 cumulation. Gale Research Co..
Chicago Style (17th ed.) CitationLibrary of Congress and Gale Research Company. English Language Books by Title: A Catalog of Library of Congress Printed Cards, 1969-1970 Cumulation. Detroit: Gale Research Co., 1971.
MLA (8th ed.) CitationLibrary of Congress and Gale Research Company. English Language Books by Title: A Catalog of Library of Congress Printed Cards, 1969-1970 Cumulation. Gale Research Co., 1971.
Warning: These citations may not always be 100% accurate.