APA Style

Higashino, K., Ammadea, F. (2016). Kesetiaan Mr. X = The Devotion of Suspect X . Jakarta: Gramedia Pustaka Utama.

MLA Style

Higashino, Keigo., Ammadea, Faira. "Kesetiaan Mr. X = The Devotion of Suspect X". Jakarta: Gramedia Pustaka Utama, 2016. Text.