APA (7th ed.) Citation

Chen, C., & Zhang, Y. (2011). Beginner's level: Fly high. AUWSF (021770).

Chicago Style (17th ed.) Citation

Chen, Carol, and Yuchi Zhang. Beginner's Level: Fly High. Beijing: AUWSF (021770), 2011.

MLA (9th ed.) Citation

Chen, Carol, and Yuchi Zhang. Beginner's Level: Fly High. AUWSF (021770), 2011.