APA (7th ed.) Citation

Simmonds, T. G. (1980). Managing the System X development. Electronics & Power, 26, 548. https://doi.org/10.1049/ep.1980.0295

Chicago Style (17th ed.) Citation

Simmonds, T. G. "Managing the System X Development." Electronics & Power 26 (1980): 548. https://doi.org/10.1049/ep.1980.0295.

MLA (9th ed.) Citation

Simmonds, T. G. "Managing the System X Development." Electronics & Power, vol. 26, 1980, p. 548, https://doi.org/10.1049/ep.1980.0295.