(Author), S., (Collector), V. S., & (Expert), R. D. (2008). Calla palustris (Water Arum, Wild Calla): Water Arum, Wild Calla.
Chicago Style (17th ed.) Citation(Author), Scop, Veronica Speers (Collector), and R. Dickinson (Expert). Calla Palustris (Water Arum, Wild Calla): Water Arum, Wild Calla. 2008.
MLA (9th ed.) Citation(Author), Scop, et al. Calla Palustris (Water Arum, Wild Calla): Water Arum, Wild Calla. 2008.
Warning: These citations may not always be 100% accurate.