APA

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

Chicago

Hardy Arthur C, Perrin Fred H, . 1932. The principles of optics. New York: McGraw-Hill.

Harvard

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

MLA

Hardy Arthur C, Perrin Fred H, . The principles of optics. New York: McGraw-Hill. 1932.