APA (7th ed.) Citation

American Library Association. Ad Hoc Reference Books Review Committee, American Library Association. Basic Reference Books Committee, Gray, R. A., & Cushman, J. Z. (1973). Reference books for small and medium-sized libraries (2d ed., rev.). American Library Association.

Chicago Style (17th ed.) Citation

American Library Association. Ad Hoc Reference Books Review Committee, American Library Association. Basic Reference Books Committee, Richard A. Gray, and Judith Z. Cushman. Reference Books for Small and Medium-sized Libraries. 2d ed., rev. Chicago: American Library Association, 1973.

MLA (9th ed.) Citation

American Library Association. Ad Hoc Reference Books Review Committee, et al. Reference Books for Small and Medium-sized Libraries. 2d ed., rev. American Library Association, 1973.