APA (7th ed.) Citation

Knowlton, A. E. (1949). Standard handbook for electrical engineers (9a ed.). Mcgraw-Hill de España, S.A.

Chicago Style (17th ed.) Citation

Knowlton, Archer E. Standard Handbook for Electrical Engineers. 9a ed. New York: Mcgraw-Hill de España, S.A, 1949.

MLA (9th ed.) Citation

Knowlton, Archer E. Standard Handbook for Electrical Engineers. 9a ed. Mcgraw-Hill de España, S.A, 1949.