APA (7th ed.) Citation

Lumbantobing, A., Sagala, A., & Ekel, Z. (2016). Capture The Flag & Hacking Kioptrix Server. Teknosain.

Chicago Style (17th ed.) Citation

Lumbantobing, Alexander, Albert Sagala, and Zico Ekel. Capture The Flag & Hacking Kioptrix Server. Teknosain, 2016.

MLA (8th ed.) Citation

Lumbantobing, Alexander, et al. Capture The Flag & Hacking Kioptrix Server. Teknosain, 2016.