Gaya APA

Doyle, S, A, C. (2018). Sherlock holmes : the valley of fear (Cet. 6). Yogyakarta: Shira Media.

Gaya MLA

Doyle, Sir, Arthur, Conan. "Sherlock holmes : the valley of fear". Cet. 6 Yogyakarta: Shira Media, 2018. Text.