APA (7th ed.) Citation

Sommerhalder, R., & Westrhenen, S. C. v. (1988). The theory of computability: Programs, machines, effectiveness, and feasibility. Addison-Wesley Pub. Co..

Chicago Style (17th ed.) Citation

Sommerhalder, R., and S. Christiaan van Westrhenen. The Theory of Computability: Programs, Machines, Effectiveness, and Feasibility. Wokingham, England ; Reading, Mass.: Addison-Wesley Pub. Co., 1988.

MLA (8th ed.) Citation

Sommerhalder, R., and S. Christiaan van Westrhenen. The Theory of Computability: Programs, Machines, Effectiveness, and Feasibility. Addison-Wesley Pub. Co., 1988.