APA (7th ed.) Citation

Bekker, P. (1931). Das Operntheater. Quelle & Meyer.

Chicago Style (17th ed.) Citation

Bekker, Paul. Das Operntheater. Leipzig: Quelle & Meyer, 1931.

MLA (9th ed.) Citation

Bekker, Paul. Das Operntheater. Quelle & Meyer, 1931.

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