APA (7th ed.) Citation

Parsons, J. H. (1924). An introduction to the study of colour vision (2d ed.). The University Press.

Chicago Style (17th ed.) Citation

Parsons, John Herbert. An Introduction to the Study of Colour Vision. 2d ed. Cambridge [England]: The University Press, 1924.

MLA (9th ed.) Citation

Parsons, John Herbert. An Introduction to the Study of Colour Vision. 2d ed. The University Press, 1924.