When eight bells toll
MLA
MacLean, Alistair. When Eight Bells Toll. [1st ed.] Garden City, N.Y.: Doubleday, 1966
APA, 7th edition
MacLean, A. (1966). When eight bells toll. [1st ed.] Garden City, N.Y.: Doubleday
Chicago, 17th edition
MacLean, Alistair. When eight bells toll. [1st ed.] Garden City, N.Y.: Doubleday, 1966