Polunin, O., & Smythies, B. E. (1973). Flowers of south-west Europe : a field guide / Oleg Polunin, B.E. Smythies: A field guide. Oxford University Press.
Chicago Style (17th ed.) CitationPolunin, Oleg, and B. E. Smythies. Flowers of South-west Europe : A Field Guide / Oleg Polunin, B.E. Smythies: A Field Guide. London: Oxford University Press, 1973.
MLA (9th ed.) CitationPolunin, Oleg, and B. E. Smythies. Flowers of South-west Europe : A Field Guide / Oleg Polunin, B.E. Smythies: A Field Guide. Oxford University Press, 1973.
Warning: These citations may not always be 100% accurate.