APA (7th ed.) Citation

Heck, R. H., & Thomas, S. L. (2020). An introduction to multilevel modeling techniques: MLM and SEM approaches (Fourth edition.). Routledge.

Chicago Style (17th ed.) Citation

Heck, Ronald H., and Scott L. Thomas. An Introduction to Multilevel Modeling Techniques: MLM and SEM Approaches. Fourth edition. New York ; London: Routledge, 2020.

MLA (9th ed.) Citation

Heck, Ronald H., and Scott L. Thomas. An Introduction to Multilevel Modeling Techniques: MLM and SEM Approaches. Fourth edition. Routledge, 2020.