APA (7th ed.) Citation

Abbasi, T., Tauseef, S. M., & Abbasi, S. A. (2012). Biogas energy. Springer.

Chicago Style (17th ed.) Citation

Abbasi, Tasneem, S. M. Tauseef, and Shahid A. Abbasi. Biogas Energy. New York, NY [u.a.]: Springer, 2012.

MLA (9th ed.) Citation

Abbasi, Tasneem, et al. Biogas Energy. Springer, 2012.