APA (7th ed.) Citation

United States. Western Area Power Administration. (1993). Phoenix area power systems. The Administration.

Chicago Style (17th ed.) Citation

United States. Western Area Power Administration. Phoenix Area Power Systems. [Boulder City, Nev.?]: The Administration, 1993.

MLA (9th ed.) Citation

United States. Western Area Power Administration. Phoenix Area Power Systems. The Administration, 1993.

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