Block, T. A., Rhoads, A. F., & Aniśko, A. (2011). Aquatic plants of Pennsylvania: A complete reference guide. University of Pennsylvania Press.
芝加哥风格引文Block, Timothy A., Ann Fowler Rhoads, 与 Anna Aniśko. Aquatic Plants of Pennsylvania: A Complete Reference Guide. Philadelphia: University of Pennsylvania Press, 2011.
MLA引文Block, Timothy A., et al. Aquatic Plants of Pennsylvania: A Complete Reference Guide. University of Pennsylvania Press, 2011.
警告：这些引文格式不一定是100％准确.