APA (7th ed.) Citation

R.R. Bowker Company, Xerox BiblioGraphics, & University Microfilms. Source. [publisher not identified].

Chicago Style (17th ed.) Citation

R.R. Bowker Company, Xerox BiblioGraphics, and University Microfilms. Source. Ann Arbor, Mich: [publisher not identified].

MLA (9th ed.) Citation

R.R. Bowker Company, et al. Source. [publisher not identified].