Cita APA (7a ed.)
Shiferaw, A., Hurni, H., & Zeleke, G. (2013). Long-term changes in soil-based ecological services at three sites in Ethiopia. Academic Journals.
Cita Chicago Style (17a ed.)
Shiferaw, A., H. Hurni, y G. Zeleke. Long-term Changes in Soil-based Ecological Services at Three Sites in Ethiopia. Academic Journals, 2013.
Cita MLA (9a ed.)
Shiferaw, A., et al. Long-term Changes in Soil-based Ecological Services at Three Sites in Ethiopia. Academic Journals, 2013.
Precaución: Estas citas no son 100% exactas.