APA (7th ed.) Citation

Watson, E. V. (1981). British mosses and liverworts: An introductory work, with full descriptions and figures of over 200 species, and keys for the identification of all except the very rare species (3rd ed.). Cambridge University Press.

Chicago Style (17th ed.) Citation

Watson, E. Vernon. British Mosses and Liverworts: An Introductory Work, with Full Descriptions and Figures of over 200 Species, and Keys for the Identification of All Except the Very Rare Species. 3rd ed. Cambridge [Cambridgeshire] ; New York: Cambridge University Press, 1981.

MLA (9th ed.) Citation

Watson, E. Vernon. British Mosses and Liverworts: An Introductory Work, with Full Descriptions and Figures of over 200 Species, and Keys for the Identification of All Except the Very Rare Species. 3rd ed. Cambridge University Press, 1981.