Gaya APA
Sagan, C., Druyan, A. (2023).
Shadows Of Forgotten Ancestors (Bayang-Bayang Leluhur) .
Jakarta:
Kepustakaan Populer Gramedia (KPG).
Gaya MLA
Sagan, Carl., Druyan, Ann.
"Shadows Of Forgotten Ancestors (Bayang-Bayang Leluhur)".
Jakarta:
Kepustakaan Populer Gramedia (KPG),
2023.
Text.