APA (7th ed.) Citation

Allen, E. J. B. (1972). Post and Courier Service in the Diplomacy of Early Modern Europe. Springer Netherlands.

Chicago Style (17th ed.) Citation

Allen, E. John B. Post and Courier Service in the Diplomacy of Early Modern Europe. Dordrecht: Springer Netherlands, 1972.

MLA (9th ed.) Citation

Allen, E. John B. Post and Courier Service in the Diplomacy of Early Modern Europe. Springer Netherlands, 1972.