APA (7th ed.) Citation

Logan, B., Millington, K., & Smithers, T. (1991). Being economical with the truth: Assumption-based context management in the Edinburgh Designer System.

Chicago Style (17th ed.) Citation

Logan, Brian, Karl Millington, and Tim Smithers. Being Economical with the Truth: Assumption-based Context Management in the Edinburgh Designer System. Edinburgh, 1991.

MLA (9th ed.) Citation

Logan, Brian, et al. Being Economical with the Truth: Assumption-based Context Management in the Edinburgh Designer System. 1991.