Answer to skeptics
  MLA
  Augustinus, Aurelius, Denis J Kavanagh, and Rudolph Arbesmann. Answer to Skeptics. New York (N.Y.): Cosmopolitain science and art service, 1943.
  APA
  Augustinus, A., Kavanagh, D. J, & Arbesmann, R. (1943). Answer to skeptics. New York (N.Y.): Cosmopolitain science and art service.
  Chicago
  Augustinus, Aurelius, and Rudolph Arbesmann. Answer to Skeptics. Translated by Denis J Kavanagh.  New York (N.Y.): Cosmopolitain science and art service, 1943.