APA
Jacob L., . (1951). An introduction to electron optics. London: Metheuen and co. Ltd.
Chicago
Jacob L, . 1951. An introduction to electron optics. London: Metheuen and co. Ltd.
Harvard
Jacob L., . (1951). An introduction to electron optics. London: Metheuen and co. Ltd.
MLA
Jacob L, . An introduction to electron optics. London: Metheuen and co. Ltd. 1951.