APA (7th ed.) Citation

Hutton, G., Meijer, E., & Voermans, E. (1994). A tool for relational programmers. Chalmers University, Sweden.

Chicago Style (17th ed.) Citation

Hutton, Graham, Erik Meijer, and Ed Voermans. A Tool for Relational Programmers. Chalmers University, Sweden, 1994.

MLA (9th ed.) Citation

Hutton, Graham, et al. A Tool for Relational Programmers. Chalmers University, Sweden, 1994.