Psychology: empirical and rational
  MLA
  Maher, Michael. Psychology: Empirical and Rational. 5th ed. London: Longmans, Green, and co., 1903.
  APA
  Maher, M. (1903). Psychology: empirical and rational. 5th ed. London: Longmans, Green, and co.
  Chicago
  Maher, Michael, Psychology: Empirical and Rational. 5th ed. London: Longmans, Green, and co., 1903.