APA (7th ed.) Citation

Sim, C. K. (2017). Batteries and circuit design for a portable electric skateboard as alternative green transportation.

Chicago Style (17th ed.) Citation

Sim, Chun Kiat. Batteries and Circuit Design for a Portable Electric Skateboard as Alternative Green Transportation. 2017.

MLA (8th ed.) Citation

Sim, Chun Kiat. Batteries and Circuit Design for a Portable Electric Skateboard as Alternative Green Transportation. 2017.

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