APA (7th ed.) Citation

(1993). Flora of North America: North of Mexico. Oxford University Press.

Chicago Style (17th ed.) Citation

Flora of North America: North of Mexico. New York ; Oxford: Oxford University Press, 1993.

MLA (9th ed.) Citation

Flora of North America: North of Mexico. Oxford University Press, 1993.

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