APA
A.E. Knowlton, . (1941). Standard handbook for electrical engineers. New York: McGraw Hill.
Chicago
A.E. Knowlton, . 1941. Standard handbook for electrical engineers. New York: McGraw Hill.
Harvard
A.E. Knowlton, . (1941). Standard handbook for electrical engineers. New York: McGraw Hill.
MLA
A.E. Knowlton, . Standard handbook for electrical engineers. New York: McGraw Hill. 1941.
