APA (7th ed.) Citation

(2001). The Environment encyclopedia and directory (3rd ed.). Europa Publications Limited.

Chicago Style (17th ed.) Citation

The Environment Encyclopedia and Directory. 3rd ed. London: Europa Publications Limited, 2001.

MLA (9th ed.) Citation

The Environment Encyclopedia and Directory. 3rd ed. Europa Publications Limited, 2001.

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