Cita APA

Turner, A. K., & Barr, C. L. (1989). River pollution: A case study. Glasgow University.

Citación estilo Chicago

Turner, Angela K., and Clio L. Barr. River Pollution: A Case Study. Glasgow, GB: Glasgow University, 1989.

Cita MLA

Turner, Angela K., and Clio L. Barr. River Pollution: A Case Study. Glasgow, GB: Glasgow University, 1989.