APA (7th ed.) Citation

Illingworth, V. (1988). The penguin dictionary of electronics (2nd ed.). Penguin books.

Chicago Style (17th ed.) Citation

Illingworth, Valerie. The Penguin Dictionary of Electronics. 2nd ed. London: Penguin books, 1988.

MLA (9th ed.) Citation

Illingworth, Valerie. The Penguin Dictionary of Electronics. 2nd ed. Penguin books, 1988.