刘元. 非洲象及其贸易（上）. Editorial Department of Chinese Journal of Wildlife.
Chicago Style (17th ed.) Citation刘元. 非洲象及其贸易（上）. Editorial Department of Chinese Journal of Wildlife.
MLA (9th ed.) Citation刘元. 非洲象及其贸易（上）. Editorial Department of Chinese Journal of Wildlife.
Warning: These citations may not always be 100% accurate.