APA

Conference on performance of Earth and Earth-Supported Structures, Purdue University & Soil Mechanics and Foundations Division A. (1972). Proceedings of the Specialty Conference on. New York: American Society of Civil Engineers.

Chicago

Conference on performance of Earth and Earth-Supported Structures, Purdue University and Soil Mechanics and Foundations Division ASCE. 1972. Proceedings of the Specialty Conference on. New York: American Society of Civil Engineers.

Harvard

Conference on performance of Earth and Earth-Supported Structures, Purdue University and Soil Mechanics and Foundations Division A. (1972). Proceedings of the Specialty Conference on. New York: American Society of Civil Engineers.

MLA

Conference on performance of Earth and Earth-Supported Structures, Purdue University and Soil Mechanics and Foundations Division ASCE. Proceedings of the Specialty Conference on. New York: American Society of Civil Engineers. 1972.