Cita APA (7th ed.)

Isoyahb <Catholicus, I., & Duval, R. (1958). Liber epistularum: éd. R. Duval. Durbecq.

Cita Chicago (17th ed.)

Isoyahb <Catholicus, III.>, i Rubens Duval. Liber Epistularum: éd. R. Duval. Louvain: Durbecq, 1958.

Cita MLA (8th ed.)

Isoyahb <Catholicus, III.>, i Rubens Duval. Liber Epistularum: éd. R. Duval. Durbecq, 1958.