APA (7th ed.) Citation

Ployer, R., Polak, M., & Schmidt, R. (2019). The frontiers of the Roman Empire: A thematic study and proposed world heritage nomination strategy. Phoibos Verlag.

Chicago Style (17th ed.) Citation

Ployer, René, Marinus Polak, and Ricarda Schmidt. The Frontiers of the Roman Empire: A Thematic Study and Proposed World Heritage Nomination Strategy. Vienna: Phoibos Verlag, 2019.

MLA (8th ed.) Citation

Ployer, René, et al. The Frontiers of the Roman Empire: A Thematic Study and Proposed World Heritage Nomination Strategy. Phoibos Verlag, 2019.