Cita APA

Barton, W. L., Butt, A. J., Ford, J., Garlick, J. P., Ingram, D. L. 1., & Keay, R. W. J. (1977). Human ecology in the tropics (2nd. edition.). London: Taylor & Francis LTD.

Citación estilo Chicago

Barton, William L., Audrey J. Butt, John Ford, James Patton Garlick, Douglas Leslie 1929- Ingram, y Ronald William John Keay. Human Ecology in the Tropics. 2nd. edition. London: Taylor & Francis LTD, 1977.

Cita MLA

Barton, William L., et al. Human Ecology in the Tropics. 2nd. edition. London: Taylor & Francis LTD, 1977.