Lua APA (7ú heag.)

Arnold, J. I. 1. (1934). Problems in American life. Row.

Lua i Stíl Chicago (17ú heag.)

Arnold, Joseph Irvin 1887. Problems in American Life. Evanston, Ill., New York [etc.]: Row, 1934.

Lua MLA (9ú heag.)

Arnold, Joseph Irvin 1887. Problems in American Life. Row, 1934.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.