APA stil citiranja

(1998). The environment encyclopedia and directory: The environment encyclopedia and directory : 1998 : A world survey (2nd ed.). London: Europa Publications Limited.

Chicago stil citiranja

The environment encyclopedia and directory: The environment encyclopedia and directory : 1998 : A world survey. 2nd ed. London: Europa Publications Limited, 1998.

MLA stil citiranja

The environment encyclopedia and directory: The environment encyclopedia and directory : 1998 : A world survey. 2nd ed. London: Europa Publications Limited, 1998.