APA (7th ed.) Citation

Ernt, L. L., & Darnay, B. T. (1982). Subject directory of special libraries and information centers (5th ed.). Gale Research Co.

Chicago Style (17th ed.) Citation

Ernt, Lois Lenroot-, and Brigitte T. Darnay. Subject Directory of Special Libraries and Information Centers. 5th ed. Detroit, Mich: Gale Research Co, 1982.

MLA (9th ed.) Citation

Ernt, Lois Lenroot-, and Brigitte T. Darnay. Subject Directory of Special Libraries and Information Centers. 5th ed. Gale Research Co, 1982.