APA (7th ed.) Citation

United States. Department of Housing and Urban Development. Challenge! The Dept., -[1981?].

Chicago Style (17th ed.) Citation

United States. Department of Housing and Urban Development. Challenge! Washington, D.C.: The Dept., -[1981?].

MLA (9th ed.) Citation

United States. Department of Housing and Urban Development. Challenge! The Dept., -[1981?].

Warning: These citations may not always be 100% accurate.