APA (7th ed.) Citation

Hutchins, M. (1944). Introduction to reference work. American Library Association.

Chicago Style (17th ed.) Citation

Hutchins, Margaret. Introduction to Reference Work. Chicago: American Library Association, 1944.

MLA (9th ed.) Citation

Hutchins, Margaret. Introduction to Reference Work. American Library Association, 1944.

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