APA Style

Pyeon, W., Paek, S. (2021). Why? People: Leonardo da Vinci (cet. 1). Jakarta: PT Elex Media Komputindo.

MLA Style

Pyeon, Wangjung., Paek, Seokbong. "Why? People: Leonardo da Vinci". cet. 1 Jakarta: PT Elex Media Komputindo, 2021. Buku SMA Athalia.