APA Alıntı

Williams, G. R. (1972). The hidden world of Scotland Yard. Hutchinson & Co.

Chicago Stili Alıntı

Williams, Guy R. The Hidden World of Scotland Yard. London: Hutchinson & Co, 1972.

MLA Alıntı

Williams, Guy R. The Hidden World of Scotland Yard. Hutchinson & Co, 1972.