Cita APA (7a ed.)

Campbell, N. R. (1913). Modern electrical theory (2nd ed.). At the University Press.

Cita Chicago Style (17a ed.)

Campbell, Norman Robert. Modern Electrical Theory. 2nd ed. Cambridge: At the University Press, 1913.

Cita MLA (9a ed.)

Campbell, Norman Robert. Modern Electrical Theory. 2nd ed. At the University Press, 1913.