American Library Association. Catalog Code Revision Committee. A. L. A. catalog rules, a. a. t. e., Author, Beetle, C., & Catalog rules, a. a. t. e. (1949). A.L.A. cataloging rules for author and title entries 2nd (2nd ed.). American Library Assn.
Citazione stile Chigago Style (17a edizione)American Library Association. Catalog Code Revision Committee. A. L. A. catalog rules, author and title entries, Author, Clara Beetle, e author and title entries Catalog rules. A.L.A. Cataloging Rules for Author and Title Entries 2nd. 2nd ed. Chicago: American Library Assn, 1949.
Citatione MLA (9a ed.)American Library Association. Catalog Code Revision Committee. A. L. A. catalog rules, author and title entries, et al. A.L.A. Cataloging Rules for Author and Title Entries 2nd. 2nd ed. American Library Assn, 1949.