Standley, P. C., & Steyermark, J. A. (1946). Flora of Guatemala. Natural History Museum.
芝加哥风格引文Standley, Paul Carpenter, 与 Julian A. Steyermark. Flora of Guatemala. Chicago: Natural History Museum, 1946.
MLA引文Standley, Paul Carpenter, 与 Julian A. Steyermark. Flora of Guatemala. Natural History Museum, 1946.
警告：这些引文格式不一定是100％准确.