Cita APA

Shultz, S., Faustino, J., & Melgar, D. (1997). Agroforestry and soil conservation: Adoption and profitability in El Salvador.

Chicago Style Citation

Shultz, Steven, Jorge Faustino, i Douglas Melgar. Agroforestry and Soil Conservation: Adoption and Profitability in El Salvador. 1997.

Cita MLA

Shultz, Steven, Jorge Faustino, i Douglas Melgar. Agroforestry and Soil Conservation: Adoption and Profitability in El Salvador. 1997.