Style de citation APA

Heywood, V. H. (1971). biology and chemistry of Umbelliferae. Academic Press.

Style de citation Chicago

Heywood, V H. Biology and Chemistry of Umbelliferae. London: Academic Press, 1971.

Style de citation MLA

Heywood, V H. Biology and Chemistry of Umbelliferae. Academic Press, 1971.

Attention : ces citations peuvent ne pas être correctes à 100%.