Cita APA

Hardy, A. C., & Perrin, F. H. (1932). The principles of optics (20. imp.). New York: McGraw-Hill Book.

Citación estilo Chicago

Hardy, Arthur C., and Fred H. Perrin. The Principles of Optics. 20. imp. New York: McGraw-Hill Book, 1932.

Cita MLA

Hardy, Arthur C., and Fred H. Perrin. The Principles of Optics. 20. imp. New York: McGraw-Hill Book, 1932.