Cita APA

Barra, R., Castillo, C., & Machado Torres, J. P. (2009). Polycyclic aromatic hydrocarbons in the south american environment.

Citación estilo Chicago

Barra, Ricardo, Caroline Castillo, y Joao Paulo Machado Torres. Polycyclic Aromatic Hydrocarbons in the South American Environment. 2009.

Cita MLA

Barra, Ricardo, Caroline Castillo, y Joao Paulo Machado Torres. Polycyclic Aromatic Hydrocarbons in the South American Environment. 2009.