APA引文

Calvo, A. (1998). Forest and carbon fixation. An economic approach.

Citación estilo Chicago

Calvo, Andrés. Forest and Carbon Fixation. An Economic Approach. 1998.

MLA引文

Calvo, Andrés. Forest and Carbon Fixation. An Economic Approach. 1998.

警告：这些引文格式不一定是100％准确.