APA (7th ed.) Citation

Simpson, A. D. C. (2009). The beginnings of commercial manufacture of the reflecting telescope in London.

Chicago Style (17th ed.) Citation

Simpson, A. D. C. The Beginnings of Commercial Manufacture of the Reflecting Telescope in London. 2009.

MLA (9th ed.) Citation

Simpson, A. D. C. The Beginnings of Commercial Manufacture of the Reflecting Telescope in London. 2009.

Warning: These citations may not always be 100% accurate.