APA (7th ed.) Citation

(1968). Directory of special libraries and information centers: A guide to special libraries, research libraries, information centers, archives, and data centers maintained by government agencies ... and soc. in the fields of science ... and humanistic studies (2. ed.). Gale Research Comp.

Chicago Style (17th ed.) Citation

Directory of Special Libraries and Information Centers: A Guide to Special Libraries, Research Libraries, Information Centers, Archives, and Data Centers Maintained by Government Agencies ... and Soc. in the Fields of Science ... and Humanistic Studies. 2. ed. Detroit, Mich: Gale Research Comp, 1968.

MLA (9th ed.) Citation

Directory of Special Libraries and Information Centers: A Guide to Special Libraries, Research Libraries, Information Centers, Archives, and Data Centers Maintained by Government Agencies ... and Soc. in the Fields of Science ... and Humanistic Studies. 2. ed. Gale Research Comp, 1968.