APA Edition Citation

Simpson I S. (1972). Classified Library of Congress Subject Headings. Marcel Dekker.

Chicago Edition Citation

Simpson I S. Classified Library of Congress Subject Headings. London: Marcel Dekker, 1972.

MLA Edition Citation

Simpson I S. Classified Library of Congress Subject Headings. Marcel Dekker, 1972.

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