Cita APA

Heywood, V. H. (1971). Biology and chemistry of the umbelliferae. Acadamic Press.

Chicago Edition Citation

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

Cita MLA

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