APA ציטוט

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

Chicago Edition Citation

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

ציטוט MLA

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