APA (7th ed.) Citation

Heluta, V. P., Siahaan, S. A., & Takamatsu, S. (2016). Untitled.

Chicago Style (17th ed.) Citation

Heluta, V. P., S. A.S Siahaan, and S. Takamatsu. Untitled. 2016.

MLA (8th ed.) Citation

Heluta, V. P., et al. Untitled. 2016.

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