Lua APA (7ú heag.)
Johnson, H. W. (1999). Holding the center: Memoirs of a life in higher education. MIT Press.
Lua i Stíl Chicago (17ú heag.)
Johnson, Howard Wesley. Holding the Center: Memoirs of a Life in Higher Education. Cambridge, Mass.: MIT Press, 1999.
Lua MLA (9ú heag.)
Johnson, Howard Wesley. Holding the Center: Memoirs of a Life in Higher Education. MIT Press, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.