APA (7th ed.) Citation

Cieslik, M., & Simpson, D. (2013). Key concepts in youth studies. SAGE.

Chicago Style (17th ed.) Citation

Cieslik, Mark, and Donald Simpson. Key Concepts in Youth Studies. Los Angeles: SAGE, 2013.

MLA (9th ed.) Citation

Cieslik, Mark, and Donald Simpson. Key Concepts in Youth Studies. SAGE, 2013.