APA (7th ed.) Citation

Kralik, H. (1955). The Vienna opera house. Rosenbaum.

Chicago Style (17th ed.) Citation

Kralik, Heinrich. The Vienna Opera House. Vienna: Rosenbaum, 1955.

MLA (9th ed.) Citation

Kralik, Heinrich. The Vienna Opera House. Rosenbaum, 1955.

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