APA (7th ed.) Citation

Nowell, D., & Hills, D. (1989). HERTZIAN CONTACT OF GROUND SURFACES.

Chicago Style (17th ed.) Citation

Nowell, D., and D. Hills. HERTZIAN CONTACT OF GROUND SURFACES. 1989.

MLA (9th ed.) Citation

Nowell, D., and D. Hills. HERTZIAN CONTACT OF GROUND SURFACES. 1989.

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