Gaya APA
dkk, D, K, K. (2015).
National Geographic Indonesia: Vol. 11 No. 9 September 2015 .
Jakarta:
Kompas Gramedia.
Gaya MLA
dkk, Didi, Kaspi, Kasim,.
"National Geographic Indonesia: Vol. 11 No. 9 September 2015".
Jakarta:
Kompas Gramedia,
2015.
Text.