APA (7th ed.) Citation

Training & Retraining, Inc, & Heiserman, D. L. (1987). Understanding electricity and electronics principles. H.W. Sams.

Chicago Style (17th ed.) Citation

Training & Retraining, Inc, and David L. Heiserman. Understanding Electricity and Electronics Principles. Indianapolis, IN, USA: H.W. Sams, 1987.

MLA (8th ed.) Citation

Training & Retraining, Inc, and David L. Heiserman. Understanding Electricity and Electronics Principles. H.W. Sams, 1987.