Cita APA (7th ed.)

U.S. Library of Congress. General Reference and Bibliography Division, McCrum, B. P. 1. . . .., & Jones, H. G. 1. . . . . .. (1954). Bibliographical procedures & style; a manual for bibliographers in the Library of Congress. s.n.

Cita Chicago (17th ed.)

U.S. Library of Congress. General Reference and Bibliography Division, Blanche Prichard 1887- McCrum, i Helen Gertrude 1908- Jones. Bibliographical Procedures & Style; a Manual for Bibliographers in the Library of Congress. Washington: s.n, 1954.

Cita MLA (9th ed.)

U.S. Library of Congress. General Reference and Bibliography Division, et al. Bibliographical Procedures & Style; a Manual for Bibliographers in the Library of Congress. s.n, 1954.