Gaya APA

Lewis, C. (2022). The voyage of the down treader: petualangan Down Treader (cet.1). Jakarta: Gramedia Pustaka Utama.

Gaya MLA

Lewis, C.S. "The voyage of the down treader: petualangan Down Treader". cet.1 Jakarta: Gramedia Pustaka Utama, 2022. Printed Book.