Lua APA (7ú heag.)

Voegelin, E., & Franz, M. (2000). The Ecumenic Age ([New ed.].). University of Missouri Press.

Lua i Stíl Chicago (17ú heag.)

Voegelin, Eric, agus Michael Franz. The Ecumenic Age. [New ed.]. Columbia, Mo. ; London: University of Missouri Press, 2000.

Lua MLA (9ú heag.)

Voegelin, Eric, agus Michael Franz. The Ecumenic Age. [New ed.]. University of Missouri Press, 2000.

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