Cita APA (7a ed.)

Say, M. G., Dellow, F., & King, G. (1979). Symbols and abbreviations for electrical and electronic engineering ([3rd ed.].). Institution of Electrical Engineers.

Cita Chicago Style (17a ed.)

Say, M. G., F. Dellow, y G. King. Symbols and Abbreviations for Electrical and Electronic Engineering. [3rd ed.]. London: Institution of Electrical Engineers, 1979.

Cita MLA (9a ed.)

Say, M. G., et al. Symbols and Abbreviations for Electrical and Electronic Engineering. [3rd ed.]. Institution of Electrical Engineers, 1979.