APA (7th ed.) Citation

Dicuil fl. 825, Tierney, J. J., & Bieler, L. (1967). Liber de mensura orbis terrae. The Dublin Institute for Advanced Studies.

Chicago Style (17th ed.) Citation

Dicuil fl. 825, J. J. Tierney, and Ludwig Bieler. Liber De Mensura Orbis Terrae. Dublin: The Dublin Institute for Advanced Studies, 1967.

MLA (9th ed.) Citation

Dicuil fl. 825, et al. Liber De Mensura Orbis Terrae. The Dublin Institute for Advanced Studies, 1967.