APA (7th ed.) Citation

Houstoun, R. A. (1938). A treatise on light / by R.A. Houstoun (7th ed.). Longmans, Green.

Chicago Style (17th ed.) Citation

Houstoun, R. A. A Treatise on Light / by R.A. Houstoun. 7th ed. Longmans, Green, 1938.

MLA (9th ed.) Citation

Houstoun, R. A. A Treatise on Light / by R.A. Houstoun. 7th ed. Longmans, Green, 1938.

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