APA (7th ed.) Citation

Cho, Y. (2017). Why? The Science of Sleep - Sains Tentang Tidur. Elex Media Komputindo.

Chicago Style (17th ed.) Citation

Cho, Yeongseon. Why? The Science of Sleep - Sains Tentang Tidur. Elex Media Komputindo, 2017.

MLA (8th ed.) Citation

Cho, Yeongseon. Why? The Science of Sleep - Sains Tentang Tidur. Elex Media Komputindo, 2017.

Warning: These citations may not always be 100% accurate.