APA
(1945). Warne's efficient reckoner: Containing 855 tables showing the value of any number of articles. London, UK: Frederick Warne and Co Ltd.
Chicago
1945. Warne's efficient reckoner: Containing 855 tables showing the value of any number of articles. London, UK: Frederick Warne and Co Ltd.
Harvard
(1945). Warne's efficient reckoner: Containing 855 tables showing the value of any number of articles. London, UK: Frederick Warne and Co Ltd.
MLA
Warne's efficient reckoner: Containing 855 tables showing the value of any number of articles. London, UK: Frederick Warne and Co Ltd. 1945.
