APA
Riegel E. R., . (1949). Industrial chemistry: An elementary treatise for the student and general reader. New York: Reinhold Publishing Corporation.
Chicago
Riegel Emil Raymond, . 1949. Industrial chemistry: An elementary treatise for the student and general reader. New York: Reinhold Publishing Corporation.
Harvard
Riegel E. R., . (1949). Industrial chemistry: An elementary treatise for the student and general reader. New York: Reinhold Publishing Corporation.
MLA
Riegel Emil Raymond, . Industrial chemistry: An elementary treatise for the student and general reader. New York: Reinhold Publishing Corporation. 1949.