APA (7th ed.) Citation

Wright, W. D. (1969). The measurement of colour (4th ed.). Hilger.

Chicago Style (17th ed.) Citation

Wright, W. D. The Measurement of Colour. 4th ed. London: Hilger, 1969.

MLA (9th ed.) Citation

Wright, W. D. The Measurement of Colour. 4th ed. Hilger, 1969.

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