APA (7th ed.) Citation

Heise, G., Heiss, A., Vogt, H., & Huber, H. (2012). Ultrafast lasers improve the efficiency of CIS thin film solar cells.

Chicago Style (17th ed.) Citation

Heise, Gerhard, Andreas Heiss, Helmut Vogt, and Heinz Huber. Ultrafast Lasers Improve the Efficiency of CIS Thin Film Solar Cells. 2012.

MLA (9th ed.) Citation

Heise, Gerhard, et al. Ultrafast Lasers Improve the Efficiency of CIS Thin Film Solar Cells. 2012.

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