Cita APA (7a ed.)

Collins, K. J., & Roberts, D. F. (1988). Capacity for work in the tropics. Cambridge University Press.

Cita Chicago Style (17a ed.)

Collins, K. J., y D. F. Roberts. Capacity for Work in the Tropics. Cambridge [etc.]: Cambridge University Press, 1988.

Cita MLA (9a ed.)

Collins, K. J., y D. F. Roberts. Capacity for Work in the Tropics. Cambridge University Press, 1988.