APA (7th ed.) Citation

Hyman, J., & Philosophy, T. R. I. o. (2005). What, if anything, are colours relative to? Cambridge University Press.

Chicago Style (17th ed.) Citation

Hyman, J., and The Royal Institute of Philosophy. What, If Anything, Are Colours Relative to? Cambridge University Press, 2005.

MLA (9th ed.) Citation

Hyman, J., and The Royal Institute of Philosophy. What, If Anything, Are Colours Relative to? Cambridge University Press, 2005.

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