Catalogers' and classifiers' yearbook /
compiled by the Catalog Section of the American Library Association.
APA Citation
American Library Association. Division of Cataloging and Classification., American Library Association. Catalog Section. (1931). Catalogers' and classifiers' yearbook. Chicago: The Association.
MLA Citation
American Library Association. Division of Cataloging and Classification, and American Library Association. Catalog Section. Catalogers' And Classifiers' Yearbook. Chicago: The Association, 1931.
Warning: These citations may not always be complete (especially for serials).