LI, L., TANG, Y., YANG, Y., YE, X., & KONG, Z. Characteristics of groundwater circulation in typical karst trough areas：A case study of Longtan trough valley in Youyang, Chongqing. Editorial Office of Hydrogeology & Engineering Geology.
Chicago Style (17th ed.) CitationLI, Lian, Yueer TANG, Yan YANG, Xuchun YE, and Zhigang KONG. Characteristics of Groundwater Circulation in Typical Karst Trough Areas：A Case Study of Longtan Trough Valley in Youyang, Chongqing. Editorial Office of Hydrogeology & Engineering Geology.
MLA (9th ed.) CitationLI, Lian, et al. Characteristics of Groundwater Circulation in Typical Karst Trough Areas：A Case Study of Longtan Trough Valley in Youyang, Chongqing. Editorial Office of Hydrogeology & Engineering Geology.
Warning: These citations may not always be 100% accurate.