APA (7th ed.) Citation

Cox, Holme, & Baldry. (1922). A treatise on landscape painting in water colours. The Studio.

Chicago Style (17th ed.) Citation

Cox, Holme, and Baldry. A Treatise on Landscape Painting in Water Colours. London: The Studio, 1922.

MLA (9th ed.) Citation

Cox, et al. A Treatise on Landscape Painting in Water Colours. The Studio, 1922.

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