توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Clark, C. M., Lin, Y., Bierwagen, B. G., Eaton, L. M., Langholtz, M. H., Morefield, P. E., . . . Bush, B. W. (2013, January). Growing a sustainable biofuels industry: Economics, environmental considerations, and the role of the Conservation Reserve Program. Environmental Research Letters.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Clark, Christopher M., et al. "Growing a Sustainable Biofuels Industry: Economics, Environmental Considerations, and the Role of the Conservation Reserve Program." Environmental Research Letters Jan. 2013.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Clark, Christopher M., et al. "Growing a Sustainable Biofuels Industry: Economics, Environmental Considerations, and the Role of the Conservation Reserve Program." Environmental Research Letters, Jan. 2013.