APA (7th ed.) Citation

(1969). Reference Tools and Services: Introduction to the Use of Commercial, Organization and Biographical Directories.

Chicago Style (17th ed.) Citation

Reference Tools and Services: Introduction to the Use of Commercial, Organization and Biographical Directories. 1969.

MLA (9th ed.) Citation

Reference Tools and Services: Introduction to the Use of Commercial, Organization and Biographical Directories. 1969.

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