Цитирование APA (7-е изд.)
Westra, E. (2014). Building mapping applications with QGIS: Create your own sophisticated applications to analyze and display geospatial information using QGIS and Python. Packt Publishing.
Цитирование в стиле Чикаго (17-е изд.)
Westra, Erik. Building Mapping Applications with QGIS: Create Your Own Sophisticated Applications to Analyze and Display Geospatial Information Using QGIS and Python. Birmingham, [England]: Packt Publishing, 2014.
Цитирование MLA (9-е изд.)
Westra, Erik. Building Mapping Applications with QGIS: Create Your Own Sophisticated Applications to Analyze and Display Geospatial Information Using QGIS and Python. Packt Publishing, 2014.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.