Gaya APA

Permana, B., Eka, A. (2018). My Psychopath Boyfriend (Cet. 1.--). Depok: Coconut Books.

Gaya MLA

Permana, Bayu., Eka, Anggia. "My Psychopath Boyfriend". Cet. 1.-- Depok: Coconut Books, 2018. Text.