Cita APA (7a ed.)

Thomas, C., & Warren, H. (2011). Mapping the nation: GIS for federal progress and accountability. ESRI Press.

Cita Chicago Style (17a ed.)

Thomas, Christopher, y Heather Warren. Mapping the Nation: GIS for Federal Progress and Accountability. Redlands, California: ESRI Press, 2011.

Cita MLA (9a ed.)

Thomas, Christopher, y Heather Warren. Mapping the Nation: GIS for Federal Progress and Accountability. ESRI Press, 2011.