(1987). Origeniana quarta: Die Referate des 4. Internationalen Origeneskongresses (Innsbruck, 2. - 6. September 1985). Tyrolia-Verlag.
Chicago Style (17th ed.) CitationOrigeniana Quarta: Die Referate Des 4. Internationalen Origeneskongresses (Innsbruck, 2. - 6. September 1985). Innsbruck ; Wien: Tyrolia-Verlag, 1987.
MLA (9th ed.) CitationOrigeniana Quarta: Die Referate Des 4. Internationalen Origeneskongresses (Innsbruck, 2. - 6. September 1985). Tyrolia-Verlag, 1987.
Warning: These citations may not always be 100% accurate.