APA (7th ed.) Citation

Ungrad, H., Winkler, W., Wiszniewski, A., & Harrison, P. G. (1995). Protection techniques in electrical energy systems. Marcel Dekker.

Chicago Style (17th ed.) Citation

Ungrad, Helmut, Wilibald Winkler, Andrzej Wiszniewski, and Peter G. Harrison. Protection Techniques in Electrical Energy Systems. New York, NY: Marcel Dekker, 1995.

MLA (9th ed.) Citation

Ungrad, Helmut, et al. Protection Techniques in Electrical Energy Systems. Marcel Dekker, 1995.

Warning: These citations may not always be 100% accurate.