Cita APA (7a ed.)

Library of Congress. (1965). Classification: Class Z Bibliography and library science (4th ed.). Library of Congress.

Cita Chicago Style (17a ed.)

Library of Congress. Classification: Class Z Bibliography and Library Science. 4th ed. Washington: Library of Congress, 1965.

Cita MLA (9a ed.)

Library of Congress. Classification: Class Z Bibliography and Library Science. 4th ed. Library of Congress, 1965.