APA (7th ed.) Citation

American Library Association. (1949). ALA membership directory: With lists of national, State, provincial, and local library asssociations, agencies, supervisors, periodicals. American Library Association.

Chicago Style (17th ed.) Citation

American Library Association. ALA Membership Directory: With Lists of National, State, Provincial, and Local Library Asssociations, Agencies, Supervisors, Periodicals. Chicago: American Library Association, 1949.

MLA (9th ed.) Citation

American Library Association. ALA Membership Directory: With Lists of National, State, Provincial, and Local Library Asssociations, Agencies, Supervisors, Periodicals. American Library Association, 1949.