APA (7th ed.) Citation

Edwards, J. f. (1783). Directions for making the best composition for the metals of reflecting telescopes: And the method of casting, grinding, polishing, and giving them the true parabolic figure. By the Rev'd John Edwards, B.A. Published by order of the Commissioners of longitude. s.n.

Chicago Style (17th ed.) Citation

Edwards, John fl. Directions for Making the Best Composition for the Metals of Reflecting Telescopes: And the Method of Casting, Grinding, Polishing, and Giving Them the True Parabolic Figure. By the Rev'd John Edwards, B.A. Published by Order of the Commissioners of Longitude. [London]: s.n, 1783.

MLA (9th ed.) Citation

Edwards, John fl. Directions for Making the Best Composition for the Metals of Reflecting Telescopes: And the Method of Casting, Grinding, Polishing, and Giving Them the True Parabolic Figure. By the Rev'd John Edwards, B.A. Published by Order of the Commissioners of Longitude. s.n, 1783.