Cita APA

Roberts, N. 1., & Roberts, N. 1. (1998). The holocene: An environmental history (2. edition.). Oxford: Blackwell.

Citación estilo Chicago

Roberts, Neil 1953-, y Neil 1953- Roberts. The Holocene: An Environmental History. 2. edition. Oxford: Blackwell, 1998.

Cita MLA

Roberts, Neil 1953-, y Neil 1953- Roberts. The Holocene: An Environmental History. 2. edition. Oxford: Blackwell, 1998.