APA (7th ed.) Citation
Koers, D. (2011). Picture yourself learning Corel PaintShop Photo Pro X3. Course Technology PTR.
Chicago Style (17th ed.) Citation
Koers, Diane. Picture Yourself Learning Corel PaintShop Photo Pro X3. Boston, Mass.: Course Technology PTR, 2011.
MLA (9th ed.) Citation
Koers, Diane. Picture Yourself Learning Corel PaintShop Photo Pro X3. Course Technology PTR, 2011.
Warning: These citations may not always be 100% accurate.