APA (7th ed.) Citation

Film Movement (Firm), Zhang, M., Wang, Q., Qin, H., & Chang, S. (2011). Piano in a factory: Gang de qin. Film Movement.

Chicago Style (17th ed.) Citation

Film Movement (Firm), Meng Zhang, Qianyuan Wang, Hailu Qin, and Sin-yŏng Chang. Piano in a Factory: Gang De Qin. [Fair Lawn, N.J.]: Film Movement, 2011.

MLA (8th ed.) Citation

Film Movement (Firm), et al. Piano in a Factory: Gang De Qin. Film Movement, 2011.

Warning: These citations may not always be 100% accurate.