APA (7th ed.) Citation

Hills, D. A., Nowell, D., & Sackfield, A. (1993). Mechanics of elastic contacts. Butterworth-Heinemann.

Chicago Style (17th ed.) Citation

Hills, D. A., D. Nowell, and A. Sackfield. Mechanics of Elastic Contacts. Oxford [England] ; Boston: Butterworth-Heinemann, 1993.

MLA (9th ed.) Citation

Hills, D. A., et al. Mechanics of Elastic Contacts. Butterworth-Heinemann, 1993.