Cita APA (7a ed.)

Knox, R. A. (1929). The three taps: A detective story without a moral ([5th ed.].). Methuen & Co.

Cita Chicago Style (17a ed.)

Knox, Ronald Arbuthnott. The Three Taps: A Detective Story Without a Moral. [5th ed.]. London: Methuen & Co, 1929.

Cita MLA (9a ed.)

Knox, Ronald Arbuthnott. The Three Taps: A Detective Story Without a Moral. [5th ed.]. Methuen & Co, 1929.