APA (7th ed.) Citation

Parr, E. A. (1993). Programmable controllers: An engineer's guide. Newnes.

Chicago Style (17th ed.) Citation

Parr, E. A. Programmable Controllers: An Engineer's Guide. Oxford: Newnes, 1993.

MLA (9th ed.) Citation

Parr, E. A. Programmable Controllers: An Engineer's Guide. Newnes, 1993.

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