APA

Robertson J. K., . (1941). Introduction to physical optics. New York: D. Van Nostrand company, inc.

Chicago

Robertson John Kellock, . 1941. Introduction to physical optics. New York: D. Van Nostrand company, inc.

Harvard

Robertson J. K., . (1941). Introduction to physical optics. New York: D. Van Nostrand company, inc.

MLA

Robertson John Kellock, . Introduction to physical optics. New York: D. Van Nostrand company, inc. 1941.