APA
Pyke M., . (1961). The Boundaries of Science. London: Penguin Books.
Chicago
Pyke Magnus, . 1961. The Boundaries of Science. London: Penguin Books.
Harvard
Pyke M., . (1961). The Boundaries of Science. London: Penguin Books.
MLA
Pyke Magnus, . The Boundaries of Science. London: Penguin Books. 1961.