Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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