APA (7th ed.) Citation

Simmons, R. G., & Davis, R. (1983). Representations for reasoning about change.

Chicago Style (17th ed.) Citation

Simmons, Reid G., and Randall Davis. Representations for Reasoning About Change. Cambridge, Mass, 1983.

MLA (9th ed.) Citation

Simmons, Reid G., and Randall Davis. Representations for Reasoning About Change. 1983.