Cita APA

Richards, J. F. 1., Tucker, R. P. 1., Barr, B. M. 1., Castro, A. H. P. 1., & Cox, T. R. 1. (1988). World deforestation in the twentieth century. Durham: Duke University Press.

Citación estilo Chicago

Richards, John Folsom 1938-2007, Richard Philip 1938- Tucker, Brenton Marshall‏ 1940- Barr, Alfonso Horacio Peter 1955- Castro, y Thomas R. 1933- Cox. World Deforestation in the Twentieth Century. Durham: Duke University Press, 1988.

Cita MLA

Richards, John Folsom 1938-2007, et al. World Deforestation in the Twentieth Century. Durham: Duke University Press, 1988.