APA (7th ed.) Citation

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.

Chicago Style (17th ed.) Citation

American Library Association. Catalog Code Revision Committee. A. L. A. catalog rules, author and title entries, Author, Clara Beetle, and author and title entries Catalog rules. A.L.A. Cataloging Rules for Author and Title Entries 2nd. 2nd ed. Chicago: American Library Assn, 1949.

MLA (9th ed.) Citation

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.