APA
(1960). The Sources of Invention. London: Macmillan and Co. Ltd.
Chicago
1960. The Sources of Invention. London: Macmillan and Co. Ltd.
Harvard
(1960). The Sources of Invention. London: Macmillan and Co. Ltd.
MLA
The Sources of Invention. London: Macmillan and Co. Ltd. 1960.