APA (7th ed.) Zitazioa

(2019). Women: The National Geographic image collection. National Geographic.

Chicago Style (17th ed.) Zitazioa

Women: The National Geographic Image Collection. Washington, D.C.: National Geographic, 2019.

MLA (9th ed.) Zitazioa

Women: The National Geographic Image Collection. National Geographic, 2019.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.