Cita APA (7a ed.)

English, J., Tiffen, M., & Mortimore, M. (1994). Land resource management in Machakos District, Kenya 1930-1990. World Bank.

Cita Chicago Style (17a ed.)

English, John, Mary Tiffen, y Michael Mortimore. Land Resource Management in Machakos District, Kenya 1930-1990. Washington, D.C: World Bank, 1994.

Cita MLA (9a ed.)

English, John, et al. Land Resource Management in Machakos District, Kenya 1930-1990. World Bank, 1994.