Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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