Cita APA (7a ed.)
American Library Association. (1970). American libraries. American Library Association.
Cita Chicago Style (17a ed.)
American Library Association. American Libraries. Chicago, IL: American Library Association, 1970.
Cita MLA (9a ed.)
American Library Association. American Libraries. American Library Association, 1970.
Precaución: Estas citas no son 100% exactas.