Cita APA (7th ed.)

Sell, P. D., & Murrell, G. (2009). Flora of Great Britain and Ireland. Cambridge University Press.

Cita Chicago (17th ed.)

Sell, P. D., i Gina Murrell. Flora of Great Britain and Ireland. Cambridge [England] ; New York: Cambridge University Press, 2009.

Cita MLA (9th ed.)

Sell, P. D., i Gina Murrell. Flora of Great Britain and Ireland. Cambridge University Press, 2009.