APA (7th ed.) Citation

Bello, M., & unknown. (2006). Methanol permeation through proton exchange membranes of direct methanol fuel cells.

Chicago Style (17th ed.) Citation

Bello, Mukhtar, and unknown. Methanol Permeation Through Proton Exchange Membranes of Direct Methanol Fuel Cells. 2006.

MLA (9th ed.) Citation

Bello, Mukhtar, and unknown. Methanol Permeation Through Proton Exchange Membranes of Direct Methanol Fuel Cells. 2006.

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