Gaya APA

DOYLE, S, A, C. (2021). Sherlock Holmes: The Sign of Four (Cet.1). Yogyakarta: Indoliterasi.

Gaya MLA

DOYLE, Sir, Arthur, Conan. "Sherlock Holmes: The Sign of Four". Cet.1 Yogyakarta: Indoliterasi, 2021. Text.