APA (7th ed.) Citation

Sherman, G. (2018). The PyQGIS programmer's guide: Extending QGIS 3.x with Python 3. Locate Press.

Chicago Style (17th ed.) Citation

Sherman, Gary. The PyQGIS Programmer's Guide: Extending QGIS 3.x with Python 3. Chugiak, AK: Locate Press, 2018.

MLA (9th ed.) Citation

Sherman, Gary. The PyQGIS Programmer's Guide: Extending QGIS 3.x with Python 3. Locate Press, 2018.

Warning: These citations may not always be 100% accurate.