Gaya APA
Indonesia, N, G. et al (November, 2021).
National Geographic Indonesia : Nomor 11 (Volume 17).
Jakarta:
Gramedia Pustaka Umu.
Gaya MLA
Indonesia, National, Geographic. et al.
"National Geographic Indonesia : Nomor 11".
Volume 17
Jakarta:
Gramedia Pustaka Umu,
November, 2021.
Text.