Cita APA (7a ed.)
Butterworth, J., Visscher, J., Steenbergen, F., & van Koppen, B. (2011). Multiple use water services in Ethiopia scoping study. International Water Management Institute.
Cita Chicago Style (17a ed.)
Butterworth, J., J.T Visscher, F.van Steenbergen, y Barbara van Koppen. Multiple Use Water Services in Ethiopia Scoping Study. International Water Management Institute, 2011.
Cita MLA (9a ed.)
Butterworth, J., et al. Multiple Use Water Services in Ethiopia Scoping Study. International Water Management Institute, 2011.
Precaución: Estas citas no son 100% exactas.