APA
Conan A. R., . (1966). The problem of sterling. London: St. Martin's Press.
Chicago
Conan A R, . 1966. The problem of sterling. London: St. Martin's Press.
Harvard
Conan A. R., . (1966). The problem of sterling. London: St. Martin's Press.
MLA
Conan A R, . The problem of sterling. London: St. Martin's Press. 1966.