University of Illinois at Urbana-Champaign. (1887). The American Journal of Psychology. University of Illinois Press.
Lua i Stíl Chicago (17ú heag.)University of Illinois at Urbana-Champaign. The American Journal of Psychology. Champaign, Ill: University of Illinois Press, 1887.
Lua MLA (8ú heag.)University of Illinois at Urbana-Champaign. The American Journal of Psychology. University of Illinois Press, 1887.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.