APA引文

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.

MLA引文

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

警告：這些引文格式不一定是100％准確.