APA Edition Citation

Calvert, P., & Calvert, S. (1999). The south, the north and the environment.

Chicago Edition Citation

Calvert, Peter, and Susan Calvert. The South, the North and the Environment. London, Pinter Publishers, 1999.

MLA Edition Citation

Calvert, Peter, and Susan Calvert. The South, the North and the Environment. 1999.