APA Citatie

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

Chicago Style citaat

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

MLA citatie

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

Let op: Deze citaties zijn niet altijd 100% accuraat.