Cita APA (7a ed.)
Ernst, G. W., & Newell, A. (1969). GPS: A Case Study in Generality and Problem Solving. Academic Press.
Cita Chicago Style (17a ed.)
Ernst, George W., y Allen Newell. GPS: A Case Study in Generality and Problem Solving. New York: Academic Press, 1969.
Cita MLA (9a ed.)
Ernst, George W., y Allen Newell. GPS: A Case Study in Generality and Problem Solving. Academic Press, 1969.
Precaución: Estas citas no son 100% exactas.