APA (7th ed.) Citation

Haerpfer, C. W., Bernhagen, P., Welzel, C., & Inglehart, R. (2019). Democratization (second edition.). Oxford University Press.

Chicago Style (17th ed.) Citation

Haerpfer, Christian W., Patrick Bernhagen, Christian Welzel, and Ronald Inglehart. Democratization. second edition. Oxford: Oxford University Press, 2019.

MLA (9th ed.) Citation

Haerpfer, Christian W., et al. Democratization. second edition. Oxford University Press, 2019.