Cita APA (7a ed.)

Röling, N. (1988). Extension science: Information systems in agricultural development. Cambridge University Press.

Cita Chicago Style (17a ed.)

Röling, Niels. Extension Science: Information Systems in Agricultural Development. Cambridge: Cambridge University Press, 1988.

Cita MLA (9a ed.)

Röling, Niels. Extension Science: Information Systems in Agricultural Development. Cambridge University Press, 1988.