Cite
Closure to 'Shear Strength in Preexisting Landslides' by Timothy D. Stark and Manzoor Hussain.
MLA
Stark, Timothy D., and Manzoor Hussain. “Closure to ‘Shear Strength in Preexisting Landslides’ by Timothy D. Stark and Manzoor Hussain.” Journal of Geotechnical & Geoenvironmental Engineering, vol. 137, no. 8, Aug. 2011, pp. 811–12. EBSCOhost, https://doi.org/10.1061/(ASCE)GT.1943-5606.0000520.
APA
Stark, T. D., & Hussain, M. (2011). Closure to “Shear Strength in Preexisting Landslides” by Timothy D. Stark and Manzoor Hussain. Journal of Geotechnical & Geoenvironmental Engineering, 137(8), 811–812. https://doi.org/10.1061/(ASCE)GT.1943-5606.0000520
Chicago
Stark, Timothy D., and Manzoor Hussain. 2011. “Closure to ‘Shear Strength in Preexisting Landslides’ by Timothy D. Stark and Manzoor Hussain.” Journal of Geotechnical & Geoenvironmental Engineering 137 (8): 811–12. doi:10.1061/(ASCE)GT.1943-5606.0000520.