Cita APA (7a ed.)
Graser, A. (2014). Learning QGIS: Use QGIS to create great maps and perform all the geoprocessing tasks you need (Second edition.). Packt Publishing.
Cita Chicago Style (17a ed.)
Graser, Anita. Learning QGIS: Use QGIS to Create Great Maps and Perform All the Geoprocessing Tasks You Need. Second edition. Birmingham, [England]: Packt Publishing, 2014.
Cita MLA (9a ed.)
Graser, Anita. Learning QGIS: Use QGIS to Create Great Maps and Perform All the Geoprocessing Tasks You Need. Second edition. Packt Publishing, 2014.
Precaución: Estas citas no son 100% exactas.