Cita APA (7a ed.)

Library Association. (1966). Guide to reference material. Library Association.

Cita Chicago Style (17a ed.)

Library Association. Guide to Reference Material. London: Library Association, 1966.

Cita MLA (9a ed.)

Library Association. Guide to Reference Material. Library Association, 1966.

Precaución: Estas citas no son 100% exactas.