Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Knowlton, Archer Eben, i R. M. Shoop. Standard Handbook for Electrical Engineers. 9a. ed. Nueva York: McGraw Hill, 1957.

Cita MLA (9th ed.)

Knowlton, Archer Eben, i R. M. Shoop. Standard Handbook for Electrical Engineers. 9a. ed. McGraw Hill, 1957.