Lua APA (7ú heag.)
Lane, R. (1986). Roots of violence in Black Philadelphia, 1860 - 1900. Harvard Univ..
Lua i Stíl Chicago (17ú heag.)
Lane, Roger. Roots of Violence in Black Philadelphia, 1860 - 1900. Cambridge Massachussetts: Harvard Univ., 1986.
Lua MLA (9ú heag.)
Lane, Roger. Roots of Violence in Black Philadelphia, 1860 - 1900. Harvard Univ., 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.