Cita APA (7th ed.)

Allen, D. W. (2009). GIS tutorial II: Spatial analysis workbook. ESRI Press.

Cita Chicago (17th ed.)

Allen, David W. GIS Tutorial II: Spatial Analysis Workbook. Redlands, Calif: ESRI Press, 2009.

Cita MLA (9th ed.)

Allen, David W. GIS Tutorial II: Spatial Analysis Workbook. ESRI Press, 2009.