Cita APA (7a ed.)
Greene, G. The Heart of the Matter. Heinemann : Bodley Head.
Cita estilo Chicago (17a ed.)
Greene, Graham. The Heart of the Matter. Londres, Inglaterra: Heinemann : Bodley Head.
Cita MLA (9a ed.)
Greene, Graham. The Heart of the Matter. Heinemann : Bodley Head.
警告：這些引文格式不一定是100％准確.