Citazione APA

Lehmann, J., & Joseph, S. (2009). Biochar for environmental management: Science and technology. Earthscan.

Stile di citazione Chicago

Lehmann, Johannes, e Stephen Joseph. Biochar for Environmental Management: Science and Technology. London: Earthscan, 2009.

Citazione MLA

Lehmann, Johannes, e Stephen Joseph. Biochar for Environmental Management: Science and Technology. Earthscan, 2009.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.