APA (7th ed.) Citation

Hosking, J. R., & Ritson, D. (1968). The measurement of colour of roadstones. Road Research Laboratory.

Chicago Style (17th ed.) Citation

Hosking, J. R., and Diane Ritson. The Measurement of Colour of Roadstones. Crowthorne, Berkshire: Road Research Laboratory, 1968.

MLA (9th ed.) Citation

Hosking, J. R., and Diane Ritson. The Measurement of Colour of Roadstones. Road Research Laboratory, 1968.

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