APA-Zitierstil (7. Ausg.)

Holtzmann, W., & Cheney, C. R. (1979). Studies in the collections of twelfth-century decretals: From the papers of the late Walther Holtzmann. Bibl. Apostolica Vaticana.

Chicago-Zitierstil (17. Ausg.)

Holtzmann, Walther, und Christopher R. Cheney. Studies in the Collections of Twelfth-century Decretals: From the Papers of the Late Walther Holtzmann. Città del Vaticano: Bibl. Apostolica Vaticana, 1979.

MLA-Zitierstil (9. Ausg.)

Holtzmann, Walther, und Christopher R. Cheney. Studies in the Collections of Twelfth-century Decretals: From the Papers of the Late Walther Holtzmann. Bibl. Apostolica Vaticana, 1979.