APA引文

Library of Congress. (2009). Free-Floating subdivision: An alphabetical index. Washington, DC: Library of Congress.

Trích dẫn kiểu Chicago

Library of Congress. Free-Floating Subdivision: An Alphabetical Index. Washington, DC: Library of Congress, 2009.

MLA引文

Library of Congress. Free-Floating Subdivision: An Alphabetical Index. Washington, DC: Library of Congress, 2009.

警告：这些引文格式不一定是100％准确.