Citazione Stile APA (7a Edizione)

Butlin, R. A., & Roberts, N. (1995). Ecological relations in historical times: Human impact and adaptation. Blackwell.

Citazione stile Chigago Style (17a edizione)

Butlin, R. A., e Neil Roberts. Ecological Relations in Historical Times: Human Impact and Adaptation. Oxford: Blackwell, 1995.

Citatione MLA (9a ed.)

Butlin, R. A., e Neil Roberts. Ecological Relations in Historical Times: Human Impact and Adaptation. Blackwell, 1995.