APA (7th ed.) Citation

(1956). The Classified catalog, basic principles and practices. American Library Association.

Chicago Style (17th ed.) Citation

The Classified Catalog, Basic Principles and Practices. Chicago: American Library Association, 1956.

MLA (9th ed.) Citation

The Classified Catalog, Basic Principles and Practices. American Library Association, 1956.

Warning: These citations may not always be 100% accurate.