APA
Day R. H., Robinson S. M., . (1972). Mathematical topics in economic theory and computation. Philadelphia: Society for industrial and applied mathematics.
Chicago
Day Richard H, Robinson Stephen M, . 1972. Mathematical topics in economic theory and computation. Philadelphia: Society for industrial and applied mathematics.
Harvard
Day R. H., Robinson S. M., . (1972). Mathematical topics in economic theory and computation. Philadelphia: Society for industrial and applied mathematics.
MLA
Day Richard H, Robinson Stephen M, . Mathematical topics in economic theory and computation. Philadelphia: Society for industrial and applied mathematics. 1972.