APA (7th ed.) Citation

Hartnagel, H. (1973). Gunn-effect logic devices. American Elsevier Pub. Co..

Chicago Style (17th ed.) Citation

Hartnagel, Hans. Gunn-effect Logic Devices. New York: American Elsevier Pub. Co., 1973.

MLA (9th ed.) Citation

Hartnagel, Hans. Gunn-effect Logic Devices. American Elsevier Pub. Co., 1973.