Briggs,D, & walters,s m. (1990). Plant variation and evolution. Cambridge University Press.
Chicago Edition CitationBriggs,D, and walters,s m. Plant Variation and Evolution. United Kingdom: Cambridge University Press, 1990.
MLA Edition CitationBriggs,D, and walters,s m. Plant Variation and Evolution. Cambridge University Press, 1990.
Warning: These citations may not always be 100% accurate.