APA-referens

(2005). National geographic: Stem cells how far will we go? Washington, DC: National Geographic Society.

Chicago-stil citat

National Geographic: Stem Cells How Far Will We Go? Washington, DC: National Geographic Society, 2005.

MLA-referens

National Geographic: Stem Cells How Far Will We Go? Washington, DC: National Geographic Society, 2005.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.