Cita APA (7th ed.)

Hardy, A. C., & Perrin, F. H. (1932). The principles of optics. McGraw-Hill book company, inc..

Cita Chicago (17th ed.)

Hardy, Arthur Cobb, i Fred Hiram Perrin. The Principles of Optics. New York, ; London,: McGraw-Hill book company, inc., 1932.

Cita MLA (8th ed.)

Hardy, Arthur Cobb, i Fred Hiram Perrin. The Principles of Optics. McGraw-Hill book company, inc., 1932.