APA (7th ed.) Citation

Sessions, V. S., & Sloan, L. W. (1971). Urbandoc: A bibliographic information system. Graduate Division, City University of New York.

Chicago Style (17th ed.) Citation

Sessions, Vivian S., and Lynda W. Sloan. Urbandoc: A Bibliographic Information System. [New York]: Graduate Division, City University of New York, 1971.

MLA (8th ed.) Citation

Sessions, Vivian S., and Lynda W. Sloan. Urbandoc: A Bibliographic Information System. Graduate Division, City University of New York, 1971.