APA (7th ed.) Citation

Kremers, R. (2009). Level design: Concept, theory, and practice. A K Peters.

Chicago Style (17th ed.) Citation

Kremers, Rudolf. Level Design: Concept, Theory, and Practice. Natick, Mass.: A K Peters, 2009.

MLA (9th ed.) Citation

Kremers, Rudolf. Level Design: Concept, Theory, and Practice. A K Peters, 2009.