Cita APA (7a ed.)

Heywood, V. H. (1971). The Biology and chemistry of the umbelliferae (1st edition.). Academy Press.

Cita Chicago Style (17a ed.)

Heywood, V. H. The Biology and Chemistry of the Umbelliferae. 1st edition. London: Academy Press, 1971.

Cita MLA (8a ed.)

Heywood, V. H. The Biology and Chemistry of the Umbelliferae. 1st edition. Academy Press, 1971.