APA (7th ed.) Citation

Nelson Associates, Inc, New York State Library. Division of Library Development, & Ellis, R. A. (1970). NIL: a study of unfilled interlibrary loan requests in the NYSILL system: A report prepared for the Division of Library Development of the New York State Library.

Chicago Style (17th ed.) Citation

Nelson Associates, Inc, New York State Library. Division of Library Development, and Richard Alan Ellis. NIL: A Study of Unfilled Interlibrary Loan Requests in the NYSILL System: A Report Prepared for the Division of Library Development of the New York State Library. Washington, 1970.

MLA (8th ed.) Citation

Nelson Associates, Inc, et al. NIL: A Study of Unfilled Interlibrary Loan Requests in the NYSILL System: A Report Prepared for the Division of Library Development of the New York State Library. 1970.