Cita APA (7th ed.)

Hutchinson, S. E., Coulthard, G. J., & Schuler, C. (1995). Wordperfect 6.1 for windows. Irwin.

Cita Chicago (17th ed.)

Hutchinson, Sarah E., Glen J. Coulthard, i Catherine Schuler. Wordperfect 6.1 for Windows. Chicago: Irwin, 1995.

Cita MLA (9th ed.)

Hutchinson, Sarah E., et al. Wordperfect 6.1 for Windows. Irwin, 1995.