APA (7th ed.) Citation

Barwise, J., & Etchemendy, J. (1993). Turing's World 3.0 for the Macintosh: An introduction to computability theory. CSLI, Center for the Study of Language and Information.

Chicago Style (17th ed.) Citation

Barwise, Jon, and John Etchemendy. Turing's World 3.0 for the Macintosh: An Introduction to Computability Theory. Stanford, CA: CSLI, Center for the Study of Language and Information, 1993.

MLA (9th ed.) Citation

Barwise, Jon, and John Etchemendy. Turing's World 3.0 for the Macintosh: An Introduction to Computability Theory. CSLI, Center for the Study of Language and Information, 1993.