APA (7th ed.) Citation

Young, M. L., Young, H. C., & Kruzas, A. T. (1977). New special libraries: A periodic supplement to the fourth edition of Directory of special libraries and information centers. Gale Research Co.

Chicago Style (17th ed.) Citation

Young, Margaret Labash, Harold Chester Young, and Anthony Thomas Kruzas. New Special Libraries: A Periodic Supplement to the Fourth Edition of Directory of Special Libraries and Information Centers. Detroit: Gale Research Co, 1977.

MLA (9th ed.) Citation

Young, Margaret Labash, et al. New Special Libraries: A Periodic Supplement to the Fourth Edition of Directory of Special Libraries and Information Centers. Gale Research Co, 1977.