APA (7th ed.) Citation

Klein, K. J., & Kehnen, H. J. (1993). WordPerfect Presentations 2.0. Hüthig.

Chicago Style (17th ed.) Citation

Klein, Karl Josef, and Heinrich Johannes Kehnen. WordPerfect Presentations 2.0. Heidelberg: Hüthig, 1993.

MLA (9th ed.) Citation

Klein, Karl Josef, and Heinrich Johannes Kehnen. WordPerfect Presentations 2.0. Hüthig, 1993.

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