APA Style

Geographic, N. (2017). National Geographic Indonesia: Saat es antartika meleleh [Juli 2017 Vol. 13 No. 7] (Vol. 13 No. 7 Juli 2017). Indonesia: National Geographic.

MLA Style

Geographic, National. "National Geographic Indonesia: Saat es antartika meleleh [Juli 2017 Vol. 13 No. 7]". Vol. 13 No. 7 Juli 2017 Indonesia: National Geographic, 2017. Text.