APA (7th ed.) Citation

(1990). Free-floating subdivisions: An alpabetical index. LoC, Cataloging Distribution Service.

Chicago Style (17th ed.) Citation

Free-floating Subdivisions: An Alpabetical Index. Washington, DC: LoC, Cataloging Distribution Service, 1990.

MLA (9th ed.) Citation

Free-floating Subdivisions: An Alpabetical Index. LoC, Cataloging Distribution Service, 1990.

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