Roberts, N. (1998). The holocene: An environmental history (2a. ed.). Blackwell.
Cita Chicago (17th ed.)Roberts, Neil. The Holocene: An Environmental History. 2a. ed. Malden: Blackwell, 1998.
Cita MLA (9th ed.)Roberts, Neil. The Holocene: An Environmental History. 2a. ed. Blackwell, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.