APA (7th ed.) Citation

Kruzas, A. T. (1968). Directory of special libraries and information centers (2d ed.). Gale Research Co.

Chicago Style (17th ed.) Citation

Kruzas, Anthony Thomas. Directory of Special Libraries and Information Centers. 2d ed. Detroit, Mich: Gale Research Co, 1968.

MLA (9th ed.) Citation

Kruzas, Anthony Thomas. Directory of Special Libraries and Information Centers. 2d ed. Gale Research Co, 1968.