APA (7th ed.) Citation

Houston, R. A. (1938). A treatise on light. Longmans, Green and Co.

Chicago Style (17th ed.) Citation

Houston, R. A. A Treatise on Light. London: Longmans, Green and Co, 1938.

MLA (9th ed.) Citation

Houston, R. A. A Treatise on Light. Longmans, Green and Co, 1938.

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