APA

Engineering Foundation Conference on Need for National Policy for the Use of Underground Space, American Society of Civil Engineers & Engineering Foundation N. Y. (1973). Need for national policy for the use of underground space. New York: American Society of Civil Engineers.

Chicago

Engineering Foundation Conference on Need for National Policy for the Use of Underground Space, American Society of Civil Engineers and Engineering Foundation New York. 1973. Need for national policy for the use of underground space. New York: American Society of Civil Engineers.

Harvard

Engineering Foundation Conference on Need for National Policy for the Use of Underground Space, American Society of Civil Engineers and Engineering Foundation N. Y. (1973). Need for national policy for the use of underground space. New York: American Society of Civil Engineers.

MLA

Engineering Foundation Conference on Need for National Policy for the Use of Underground Space, American Society of Civil Engineers and Engineering Foundation New York. Need for national policy for the use of underground space. New York: American Society of Civil Engineers. 1973.