APA (7th ed.) Citation

Warrington, A. v. C. (1977). Protective relays: Their theory and practice (3rd ed.). Chapman and Hall.

Chicago Style (17th ed.) Citation

Warrington, A.R. van C. Protective Relays: Their Theory and Practice. 3rd ed. London: Chapman and Hall, 1977.

MLA (9th ed.) Citation

Warrington, A.R. van C. Protective Relays: Their Theory and Practice. 3rd ed. Chapman and Hall, 1977.