APA Citation

Orrel, S. (1993). Wordperfect 5.1 for windows. London: Pitman.

Chicago Style Citation

Orrel, Sue. Wordperfect 5.1 for Windows. London: Pitman, 1993.

MLA Citation

Orrel, Sue. Wordperfect 5.1 for Windows. London: Pitman, 1993.

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