APA (7th ed.) Citation

Simoni, A., & Houlsby, G. (2006). The direct shear strength and dilatancy of sand-gravel mixtures.

Chicago Style (17th ed.) Citation

Simoni, A., and G. Houlsby. The Direct Shear Strength and Dilatancy of Sand-gravel Mixtures. 2006.

MLA (9th ed.) Citation

Simoni, A., and G. Houlsby. The Direct Shear Strength and Dilatancy of Sand-gravel Mixtures. 2006.

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