APA (7th ed.) Citation

Bunnell, D. (1978). Personal computing: A beginner's guide. Hawthorn Books, Inc.

Chicago Style (17th ed.) Citation

Bunnell, David. Personal Computing: A Beginner's Guide. New york: Hawthorn Books, Inc, 1978.

MLA (9th ed.) Citation

Bunnell, David. Personal Computing: A Beginner's Guide. Hawthorn Books, Inc, 1978.