Shi, H., Cheng, Z., & Zhang, T. (1989). Soil map of Africa. Inst. of Soil Science, Academie Sinica.
Chicago Style (17th ed.) CitationShi, Hua, Zhicheng Cheng, and Tongliang Zhang. Soil Map of Africa. Nanjing: Inst. of Soil Science, Academie Sinica, 1989.
MLA (9th ed.) CitationShi, Hua, et al. Soil Map of Africa. Inst. of Soil Science, Academie Sinica, 1989.
Warning: These citations may not always be 100% accurate.