Cita APA (7th ed.)

American Library Association & Seely, P. A. (1968). ALA rules for filing catalog cards (2nd ed., abridged.). ALA.

Cita Chicago (17th ed.)

American Library Association i Pauline A. Seely. ALA Rules for Filing Catalog Cards. 2nd ed., abridged. Chicago: ALA, 1968.

Cita MLA (9th ed.)

American Library Association i Pauline A. Seely. ALA Rules for Filing Catalog Cards. 2nd ed., abridged. ALA, 1968.