Gaya APA

Wallach, T. (2018). WE ALL LOOKED UP MENATAP LANGIT (cet. 1). Jakarta: PT Gramedia Pusataka Utama.

Gaya MLA

Wallach, Tommy. "WE ALL LOOKED UP MENATAP LANGIT". cet. 1 Jakarta: PT Gramedia Pusataka Utama, 2018. Text.