Mathematics for Economists and Social Scientists
  MLA
  O’Brien, G. G Garcia, and Raymond John O'Brien. Mathematics for Economists and Social Scientists. Palgrave Macmillan UK, 1971.
  APA
  O’Brien, O., Garcia, G. G, & O'Brien, R. John. (1971). Mathematics for Economists and Social Scientists. Palgrave Macmillan UK.
  Chicago
  O’Brien, G. G Garcia, and Raymond John O'Brien. Mathematics for Economists and Social Scientists. : Palgrave Macmillan UK, 1971.