Cita APA (7a ed.)

(2001). BASINS: Region 6 (Version 3.0.). U.S. Environmental Protection Agency.

Cita Chicago Style (17a ed.)

BASINS: Region 6. Version 3.0. Washington, DC: U.S. Environmental Protection Agency, 2001.

Cita MLA (9a ed.)

BASINS: Region 6. Version 3.0. U.S. Environmental Protection Agency, 2001.