Cita APA (7a ed.)

American Library Association. (1969). Reference books for small and medium-sized public libraries. ALA.

Cita Chicago Style (17a ed.)

American Library Association. Reference Books for Small and Medium-sized Public Libraries. Chicago: ALA, 1969.

Cita MLA (9a ed.)

American Library Association. Reference Books for Small and Medium-sized Public Libraries. ALA, 1969.

Precaución: Estas citas no son 100% exactas.