APA (7th ed.) Citation

Koers, D. (2005). Paint Shop Pro 9: Photographers' guide. Thomson Course Technology PTR.

Chicago Style (17th ed.) Citation

Koers, Diane. Paint Shop Pro 9: Photographers' Guide. Boston, MA: Thomson Course Technology PTR, 2005.

MLA (9th ed.) Citation

Koers, Diane. Paint Shop Pro 9: Photographers' Guide. Thomson Course Technology PTR, 2005.

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