APA

Clark G. L., . (1940). Applied X-Rays. New York: McGraw-Hill.

Chicago

Clark George L, . 1940. Applied X-Rays. New York: McGraw-Hill.

Harvard

Clark G. L., . (1940). Applied X-Rays. New York: McGraw-Hill.

MLA

Clark George L, . Applied X-Rays. New York: McGraw-Hill. 1940.