APA (7th ed.) Citation

Rädler, C., & Wilhelm, W. (1932). Ex Libris W. Wilhelm.

Chicago Style (17th ed.) Citation

Rädler, Carl, and W. Wilhelm. Ex Libris W. Wilhelm. Wiedeń, 1932.

MLA (9th ed.) Citation

Rädler, Carl, and W. Wilhelm. Ex Libris W. Wilhelm. 1932.

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