APA (7th ed.) Citation

An, Z., Kukla, G. J., Porter, S. C., & Xiao, J. (1991). Description of loess sections in China. PANGAEA.

Chicago Style (17th ed.) Citation

An, Zhisheng, George J. Kukla, Stephen C. Porter, and Jule Xiao. Description of Loess Sections in China. PANGAEA, 1991.

MLA (9th ed.) Citation

An, Zhisheng, et al. Description of Loess Sections in China. PANGAEA, 1991.