Gaya APA

Christie, A., A.S., S. (2018). Misteri Sittaford (The Sittaford Mystery) . Jakarta: Gramedia Pustaka Utama.

Gaya MLA

Christie, Agatha., A.S., Suwarni. "Misteri Sittaford (The Sittaford Mystery)". Jakarta: Gramedia Pustaka Utama, 2018. Text.