MLA

Rupakhety, Rajesh, and Símon Ólafsson. Earthquake Engineering and Structural Dynamics In Memory of Ragnar Sigbjörnsson. Springer International Publishing, 2018.

APA

Rupakhety, R., & Ólafsson, S. (2018). Earthquake Engineering and Structural Dynamics in Memory of Ragnar Sigbjörnsson. Springer International Publishing.

Chicago

Rupakhety, Rajesh, and Símon Ólafsson. Earthquake Engineering and Structural Dynamics In Memory of Ragnar Sigbjörnsson. : Springer International Publishing, 2018.