Cita APA (7th ed.)

Warrington, A. R. v. C. (1968). Protective relays: Their theory and practice (2nd ed.). Chapman & Hall.

Cita Chicago (17th ed.)

Warrington, A. R. van C. Protective Relays: Their Theory and Practice. 2nd ed. London: Chapman & Hall, 1968.

Cita MLA (8th ed.)

Warrington, A. R. van C. Protective Relays: Their Theory and Practice. 2nd ed. Chapman & Hall, 1968.