Cita APA (7th ed.)

United States. National Capital Regional Planning Council. (1966). The regional development guide, 1966-2000. U.S. Govt. Print Off.

Cita Chicago (17th ed.)

United States. National Capital Regional Planning Council. The Regional Development Guide, 1966-2000. Washington,D. C: U.S. Govt. Print Off, 1966.

Cita MLA (9th ed.)

United States. National Capital Regional Planning Council. The Regional Development Guide, 1966-2000. U.S. Govt. Print Off, 1966.