APA (7th ed.) Citation

(2012). Adobe photoshop lightroom 4. Adobe Press.

Chicago Style (17th ed.) Citation

Adobe Photoshop Lightroom 4. San Jose, Calif: Adobe Press, 2012.

MLA (9th ed.) Citation

Adobe Photoshop Lightroom 4. Adobe Press, 2012.

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