APA (7th ed.) Citation

Gemcom Software International Inc, Bristol, R., Jackson, p., & Willoughby, J. (2007). Gemcom Surpac 6.0. Gemcom Software International Inc.

Chicago Style (17th ed.) Citation

Gemcom Software International Inc, Rowdy Bristol, phil Jackson, and James Willoughby. Gemcom Surpac 6.0. Perth, WA: Gemcom Software International Inc, 2007.

MLA (9th ed.) Citation

Gemcom Software International Inc, et al. Gemcom Surpac 6.0. Gemcom Software International Inc, 2007.