APA (7th ed.) Citation

European Symposium on Earthquake Engineering Sofia, European Commission on Earthquake Engineering, Bulgarian National Committee on Earthquake Engineering, & Bŭlgarska akademii︠a︡ na naukite. (1971). Earthquake engineering.: Proceedings of the Third European Symposium on Earthquake Engineering, Sofia-Bulgaria, September 14-17, 1970. Bulgarian Academy of Sciences Press.

Chicago Style (17th ed.) Citation

European Symposium on Earthquake Engineering Sofia, European Commission on Earthquake Engineering, Bulgarian National Committee on Earthquake Engineering, and Bŭlgarska akademii︠a︡ na naukite. Earthquake Engineering.: Proceedings of the Third European Symposium on Earthquake Engineering, Sofia-Bulgaria, September 14-17, 1970. Sofia: Bulgarian Academy of Sciences Press, 1971.

MLA (9th ed.) Citation

European Symposium on Earthquake Engineering Sofia, et al. Earthquake Engineering.: Proceedings of the Third European Symposium on Earthquake Engineering, Sofia-Bulgaria, September 14-17, 1970. Bulgarian Academy of Sciences Press, 1971.