Cita APA (7a ed.)

(1995). Washington, D.C: The nation's capital. Coffman Publications.

Cita Chicago Style (17a ed.)

Washington, D.C: The Nation's Capital. Silver Sring: Coffman Publications, 1995.

Cita MLA (9a ed.)

Washington, D.C: The Nation's Capital. Coffman Publications, 1995.