APA (7th ed.) Citation
Pena, N., Bird, D., & Zanchi, G. (2011). Improved methods for carbon accounting for bioenergy: Descriptions and evaluations.
Chicago Style (17th ed.) Citation
Pena, N., D.N Bird, and G. Zanchi. Improved Methods for Carbon Accounting for Bioenergy: Descriptions and Evaluations. 2011.
MLA (9th ed.) Citation
Pena, N., et al. Improved Methods for Carbon Accounting for Bioenergy: Descriptions and Evaluations. 2011.
Warning: These citations may not always be 100% accurate.