APA (7th ed.) Citation

Heck, R. H., & Thomas, S. L. (2009). An introduction to multilevel modeling techniques (2. ed.). Routledge.

Chicago Style (17th ed.) Citation

Heck, Ronald H., and Scott L. Thomas. An Introduction to Multilevel Modeling Techniques. 2. ed. New York [u.a.]: Routledge, 2009.

MLA (9th ed.) Citation

Heck, Ronald H., and Scott L. Thomas. An Introduction to Multilevel Modeling Techniques. 2. ed. Routledge, 2009.