APA (7th ed.) Citation

(1998). The environment encyclopedia and directory 1998 (2nd ed.). Europa.

Chicago Style (17th ed.) Citation

The Environment Encyclopedia and Directory 1998. 2nd ed. London: Europa, 1998.

MLA (8th ed.) Citation

The Environment Encyclopedia and Directory 1998. 2nd ed. Europa, 1998.

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