APA (7th ed.) Citation

Heath, R. S. (1907). An elementary treatise on geometrical optics (3. ed.). Univ. Press.

Chicago Style (17th ed.) Citation

Heath, Robert Samuel. An Elementary Treatise on Geometrical Optics. 3. ed. Cambridge: Univ. Press, 1907.

MLA (9th ed.) Citation

Heath, Robert Samuel. An Elementary Treatise on Geometrical Optics. 3. ed. Univ. Press, 1907.

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