APA (7th ed.) Citation

Heath, R. S. (1895). A treatise on geometrical optics (2. ed., rev. and enl.). Univ. Press.

Chicago Style (17th ed.) Citation

Heath, Robert Samuel. A Treatise on Geometrical Optics. 2. ed., rev. and enl. Cambridge: Univ. Press, 1895.

MLA (9th ed.) Citation

Heath, Robert Samuel. A Treatise on Geometrical Optics. 2. ed., rev. and enl. Univ. Press, 1895.