APA (7th ed.) Citation

Williams, S. P. (1975). Guide to the research collections of the New York Public Library. American Library Association.

Chicago Style (17th ed.) Citation

Williams, Sam P. Guide to the Research Collections of the New York Public Library. Chicago: American Library Association, 1975.

MLA (9th ed.) Citation

Williams, Sam P. Guide to the Research Collections of the New York Public Library. American Library Association, 1975.