Cita APA

Urcelay, A., Pastor Piñeiro, J., Oliver, S., Sánchez, A., & Hernández, A. J. (1993). Use of herbaceous species in land reclamation of dump areas in Central Spain.

Citación estilo Chicago

Urcelay, A., Jesús Pastor Piñeiro, Salvador Oliver, Agustín Sánchez, y Ana Jesús Hernández. Use of Herbaceous Species in Land Reclamation of Dump Areas in Central Spain. 1993.

Cita MLA

Urcelay, A., et al. Use of Herbaceous Species in Land Reclamation of Dump Areas in Central Spain. 1993.