Style de citation APA (7e éd.)

Berger, A. (1998). Twice humanity: Implications for local and global resource use. Nordic Africa Institute : Forum for Development Studies.

Style de citation Chicago (17e éd.)

Berger, Amelie. Twice Humanity: Implications for Local and Global Resource Use. Uppsala: Nordic Africa Institute : Forum for Development Studies, 1998.

Style de citation MLA (9e éd.)

Berger, Amelie. Twice Humanity: Implications for Local and Global Resource Use. Nordic Africa Institute : Forum for Development Studies, 1998.