Gaya APA

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

Gaya MLA

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