APA-referens

Brian Bracegirdle. (1971). An atlas of plant structure. London: Heinemann Educational Book.

Chicago-stil citat

Brian Bracegirdle. An Atlas of Plant Structure. London: Heinemann Educational Book, 1971.

MLA-referens

Brian Bracegirdle. An Atlas of Plant Structure. London: Heinemann Educational Book, 1971.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.