APA (7th ed.) Citation

Sears, F. W. (1949). Optics (3a. ed.). Addison-Wesley.

Chicago Style (17th ed.) Citation

Sears, Francis Weston. Optics. 3a. ed. Reading: Addison-Wesley, 1949.

MLA (9th ed.) Citation

Sears, Francis Weston. Optics. 3a. ed. Addison-Wesley, 1949.