APA (7th ed.) Citation

Polunin, N. (1959). Circumpolar arctic flora. Clarendon Press.

Chicago Style (17th ed.) Citation

Polunin, Nicholas. Circumpolar Arctic Flora. Oxford: Clarendon Press, 1959.

MLA (9th ed.) Citation

Polunin, Nicholas. Circumpolar Arctic Flora. Clarendon Press, 1959.

Warning: These citations may not always be 100% accurate.