APA (7th ed.) Citation

Penfold, R. (1980). Electronics. -Build and Learn.

Chicago Style (17th ed.) Citation

Penfold, R.A. Electronics. -Build and Learn. London, 1980.

MLA (8th ed.) Citation

Penfold, R.A. Electronics. -Build and Learn. 1980.

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