Cita APA (7a ed.)
Valentin, C., Poesen, J., & Li, Y. (2005). Gully erosion: Impacts, factors and control.
Cita Chicago Style (17a ed.)
Valentin, Christian, J. Poesen, y Y. Li. Gully Erosion: Impacts, Factors and Control. 2005.
Cita MLA (9a ed.)
Valentin, Christian, et al. Gully Erosion: Impacts, Factors and Control. 2005.
Precaución: Estas citas no son 100% exactas.