APA (7th ed.) Citation

Appels, J. T., & Geels, B. H. (1966). Handbook of relay switching technique. Springer-Verlag.

Chicago Style (17th ed.) Citation

Appels, J. Th, and B. H. Geels. Handbook of Relay Switching Technique. New York: Springer-Verlag, 1966.

MLA (9th ed.) Citation

Appels, J. Th, and B. H. Geels. Handbook of Relay Switching Technique. Springer-Verlag, 1966.