APA (7th ed.) Citation

Perry, G., Cazzola, M., & Fulton, J. OpenOffice.org2, Firefox and Thunderbird for Windows. Sams Publishim.

Chicago Style (17th ed.) Citation

Perry, Greg, M.T Cazzola, and Jennifer Fulton. OpenOffice.org2, Firefox and Thunderbird for Windows. Estados Unidos de América: Sams Publishim.

MLA (9th ed.) Citation

Perry, Greg, et al. OpenOffice.org2, Firefox and Thunderbird for Windows. Sams Publishim.