APA (7th ed.) Citation

Sonnabend, H. (1997). Augusta Praetoria, heute Aosta.

Chicago Style (17th ed.) Citation

Sonnabend, Holger. Augusta Praetoria, Heute Aosta. 1997.

MLA (9th ed.) Citation

Sonnabend, Holger. Augusta Praetoria, Heute Aosta. 1997.

Warning: These citations may not always be 100% accurate.