APA način citiranja

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

Čikaški stil citiranja

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

MLA način citiranja

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

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