APA (7th ed.) Citation

Knowlton A. E. & Shoop, R. M. (1957). Standard handbook for electrical engineers (9th ed.). MaGraw-Hill.

Chicago Style (17th ed.) Citation

Knowlton A. E. and R. M. Shoop. Standard Handbook for Electrical Engineers. 9th ed. New York: MaGraw-Hill, 1957.

MLA (8th ed.) Citation

Knowlton A. E. and R. M. Shoop. Standard Handbook for Electrical Engineers. 9th ed. MaGraw-Hill, 1957.