APA (7th ed.) Citation

Williams, R. S. (1916). Peruvian mosses ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Williams, Robert S. Peruvian Mosses. [Sonderdr.]. 1916.

MLA (9th ed.) Citation

Williams, Robert S. Peruvian Mosses. [Sonderdr.]. 1916.

Warning: These citations may not always be 100% accurate.