APA (7th ed.) Citation

Logan, B., Corne, D., & Smithers, T. (1992). The Edinburgh Designer System, an architecture for solving ill structured problems.

Chicago Style (17th ed.) Citation

Logan, Brian, David Corne, and Tim Smithers. The Edinburgh Designer System, an Architecture for Solving Ill Structured Problems. Edinburgh, 1992.

MLA (9th ed.) Citation

Logan, Brian, et al. The Edinburgh Designer System, an Architecture for Solving Ill Structured Problems. 1992.