Gaya APA

Johns, C., Kasim, D, K. (2014). National Geographic Indonesia: Mei 2014 . Jakarta: National Geographic Indonesia.

Gaya MLA

Johns, Chris., Kasim, Didi, Kaspi. "National Geographic Indonesia: Mei 2014". Jakarta: National Geographic Indonesia, 2014. GEN - Bacaan/Seri Non-Fiksi.