Van Helden, A. (1975). The historical problem of the invention of the telescope.
Chicago Style (17th ed.) CitationVan Helden, Albert. The Historical Problem of the Invention of the Telescope. 1975.
MLA (9th ed.) CitationVan Helden, Albert. The Historical Problem of the Invention of the Telescope. 1975.
Warning: These citations may not always be 100% accurate.