APA (7th ed.) Citation

Vereinte Nationen. (2003). 2003 United Nations list of protected areas.

Chicago Style (17th ed.) Citation

Vereinte Nationen. 2003 United Nations List of Protected Areas. Gland [u.a.], 2003.

MLA (9th ed.) Citation

Vereinte Nationen. 2003 United Nations List of Protected Areas. 2003.

Warning: These citations may not always be 100% accurate.