APA (7th ed.) Citation

Porley, R., & Hodgetts, N. G. (2005). Mosses and liverworts. Collins.

Chicago Style (17th ed.) Citation

Porley, Ron, and N. G. Hodgetts. Mosses and Liverworts. London: Collins, 2005.

MLA (9th ed.) Citation

Porley, Ron, and N. G. Hodgetts. Mosses and Liverworts. Collins, 2005.