APA

Oweis I., Urzua A. & Dobry R. (1975). Simplified procedures for estimating the fundamental period of a soil profile. : Engineering Geology and Soils Engineering Annual Symposium. 13.

Chicago

Oweis I, Urzua A and Dobry R. 1975. Simplified procedures for estimating the fundamental period of a soil profile. : Engineering Geology and Soils Engineering Annual Symposium. 13.

Harvard

Oweis I., Urzua A. and Dobry R. (1975). Simplified procedures for estimating the fundamental period of a soil profile. : Engineering Geology and Soils Engineering Annual Symposium. 13.

MLA

Oweis I, Urzua A and Dobry R. Simplified procedures for estimating the fundamental period of a soil profile. : Engineering Geology and Soils Engineering Annual Symposium. 13. 1975.