APA

United States, Library of Congress, Library of Congress, Joint Venture (Organization), American Society for Information Science & Knowledge Industry Publications i. (1986). Library and reference facilities in the area of the District of Colu mbia. [Washington, D.C.]: Library of Congress, Reference Dept., Loan D ivision.

Chicago

United States, Library of Congress, Library of Congress, Joint Venture (Organization), American Society for Information Science and Knowledge Industry Publications inc. 1986. Library and reference facilities in the area of the District of Colu mbia. [Washington, D.C.]: Library of Congress, Reference Dept., Loan D ivision.

Harvard

United States, Library of Congress, Library of Congress, Joint Venture (Organization), American Society for Information Science and Knowledge Industry Publications i. (1986). Library and reference facilities in the area of the District of Colu mbia. [Washington, D.C.]: Library of Congress, Reference Dept., Loan D ivision.

MLA

United States, Library of Congress, Library of Congress, Joint Venture (Organization), American Society for Information Science and Knowledge Industry Publications inc. Library and reference facilities in the area of the District of Colu mbia. [Washington, D.C.]: Library of Congress, Reference Dept., Loan D ivision. 1986.