APA (7th ed.) Citation

Phillips, R., Grant, S., & Rix, M. (1980). Grasses, ferns, mosses & lichens of Great Britain and Ireland. Ward Lock.

Chicago Style (17th ed.) Citation

Phillips, Roger, Sheila Grant, and Martyn Rix. Grasses, Ferns, Mosses & Lichens of Great Britain and Ireland. London: Ward Lock, 1980.

MLA (9th ed.) Citation

Phillips, Roger, et al. Grasses, Ferns, Mosses & Lichens of Great Britain and Ireland. Ward Lock, 1980.