APA (7th ed.) Citation

Clapham, A. R., Tutin, T. G., & Warburg, E. (1962). Flora of the British Isles (2nd ed.). Cambridge University Press.

Chicago Style (17th ed.) Citation

Clapham, Arthur Roy, Thomas Gaskell Tutin, and E.F Warburg. Flora of the British Isles. 2nd ed. Cambridge: Cambridge University Press, 1962.

MLA (9th ed.) Citation

Clapham, Arthur Roy, et al. Flora of the British Isles. 2nd ed. Cambridge University Press, 1962.