APA (7th ed.) Citation

Jixiong, C., Aoyuan, Y., & Jiaji, S. (1994). Medical air-purifying machine (5.).

Chicago Style (17th ed.) Citation

Jixiong, Chen, Yu Aoyuan, and Su Jiaji. Medical Air-purifying Machine. 5. 1994.

MLA (9th ed.) Citation

Jixiong, Chen, et al. Medical Air-purifying Machine. 5. 1994.