APA (7th ed.) Citation

Hellen, G. B., Jr. (1971). An Inquiry into Library of Congress Cataloging Delays.

Chicago Style (17th ed.) Citation

Hellen, George B., Jr. An Inquiry into Library of Congress Cataloging Delays. 1971.

MLA (9th ed.) Citation

Hellen, George B., Jr. An Inquiry into Library of Congress Cataloging Delays. 1971.

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