APA

Edwards J. D., Frary F. C. & Jeffries Z. (1930). The alunimum industry. New York: McGraw Hill.

Chicago

Edwards Junius David, Frary Francis C and Jeffries Zay. 1930. The alunimum industry. New York: McGraw Hill.

Harvard

Edwards J. D., Frary F. C. and Jeffries Z. (1930). The alunimum industry. New York: McGraw Hill.

MLA

Edwards Junius David, Frary Francis C and Jeffries Zay. The alunimum industry. New York: McGraw Hill. 1930.