Style de citation APA (7e éd.)

Porley, R. D. (2013). England's Rare Mosses and Liverworts: Their History, Ecology, and Conservation. Princeton University Press.

Style de citation Chicago (17e éd.)

Porley, Ron D. England's Rare Mosses and Liverworts: Their History, Ecology, and Conservation. Princeton, N.J.: Princeton University Press, 2013.

Style de citation MLA (8e éd.)

Porley, Ron D. England's Rare Mosses and Liverworts: Their History, Ecology, and Conservation. Princeton University Press, 2013.