APA (7th ed.) Citation

420507 Barton, A. W. (1939). A textbook on light. London : Longmans.

Chicago Style (17th ed.) Citation

420507 Barton, Arthur Willoughby. A Textbook on Light. London : Longmans, 1939.

MLA (9th ed.) Citation

420507 Barton, Arthur Willoughby. A Textbook on Light. London : Longmans, 1939.

Warning: These citations may not always be 100% accurate.