Cita APA (7th ed.)

Holtzmann, W. (1952). Papsturkunden in England. Vandenhoeck & Ruprecht.

Cita Chicago (17th ed.)

Holtzmann, Walther. Papsturkunden in England. Göttingen: Vandenhoeck & Ruprecht, 1952.

Cita MLA (8th ed.)

Holtzmann, Walther. Papsturkunden in England. Vandenhoeck & Ruprecht, 1952.