APA (7e ed.) Bronvermelding

Scotland, R., & Wortley, A. (2003). How many species of seed plants are there?

Chicago (17e ed.) Bronvermelding

Scotland, R., en A. Wortley. How Many Species of Seed Plants Are There? 2003.

MLA (9e ed.) Bronvermelding

Scotland, R., en A. Wortley. How Many Species of Seed Plants Are There? 2003.

Let op: Deze citaties zijn niet altijd 100% accuraat.