APA (7th ed.) Citation

(1994). Aspen Plus : getting started: Getting started. Aspen Technology.

Chicago Style (17th ed.) Citation

Aspen Plus : Getting Started: Getting Started. [Cambridge, Mass.?]: Aspen Technology, 1994.

MLA (9th ed.) Citation

Aspen Plus : Getting Started: Getting Started. Aspen Technology, 1994.

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