Cita APA

Hernández, D., Villalobos, C., & Vega, M. (1998). Effect of earthworm humus on the production of tomato and sweet pepper seedling in the greenhouse. Universidad Nacional, Costa Rica.

Citación estilo Chicago

Hernández, Danilo, Cecilia Villalobos, y Mario Vega. Effect of Earthworm Humus On the Production of Tomato and Sweet Pepper Seedling in the Greenhouse. Universidad Nacional, Costa Rica, 1998.

Cita MLA

Hernández, Danilo, Cecilia Villalobos, y Mario Vega. Effect of Earthworm Humus On the Production of Tomato and Sweet Pepper Seedling in the Greenhouse. Universidad Nacional, Costa Rica, 1998.