APA (7th ed.) Citation

Koerner, J. L. (2016). The Ringstrasse at 150 years.

Chicago Style (17th ed.) Citation

Koerner, Joseph Leo. The Ringstrasse at 150 Years. 2016.

MLA (9th ed.) Citation

Koerner, Joseph Leo. The Ringstrasse at 150 Years. 2016.

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