APA (7th ed.) Citation

Qasem, H., Betts, T., & Gottschalg, R. (2011). The effect of dust on photovoltaic thinfilm modules.

Chicago Style (17th ed.) Citation

Qasem, Hassan, Tom Betts, and Ralph Gottschalg. The Effect of Dust on Photovoltaic Thinfilm Modules. 2011.

MLA (9th ed.) Citation

Qasem, Hassan, et al. The Effect of Dust on Photovoltaic Thinfilm Modules. 2011.

Warning: These citations may not always be 100% accurate.