Cita APA (7a ed.)

Phillips, R., & Grant, S. (1980). Grasses, ferns, mosses and lichens of Great Britain and Ireland. Pan Books.

Cita Chicago Style (17a ed.)

Phillips, Roger, y Sheila Grant. Grasses, Ferns, Mosses and Lichens of Great Britain and Ireland. London: Pan Books, 1980.

Cita MLA (9a ed.)

Phillips, Roger, y Sheila Grant. Grasses, Ferns, Mosses and Lichens of Great Britain and Ireland. Pan Books, 1980.