Cita APA

Williams, J. G. (1972). Classified library of congress subject headings. V1- Classfied list. Marcel Dekker.

Citación estilo Chicago

Williams, James G. Classified Library of Congress Subject Headings. V1- Classfied List. New York: Marcel Dekker, 1972.

Cita MLA

Williams, James G. Classified Library of Congress Subject Headings. V1- Classfied List. Marcel Dekker, 1972.