APA (7th ed.) Citation

Conrad, S., Gogolla, M., & Herzig, R. (1992). TROLL light: A core language for specifying objects.

Chicago Style (17th ed.) Citation

Conrad, Stefan, Martin Gogolla, and Rudolf Herzig. TROLL Light: A Core Language for Specifying Objects. Braunschweig, 1992.

MLA (9th ed.) Citation

Conrad, Stefan, et al. TROLL Light: A Core Language for Specifying Objects. 1992.