APA (7th ed.) Citation

Waetzoldt, W. (1908). Die Kunst des Porträts. Hirt.

Chicago Style (17th ed.) Citation

Waetzoldt, Wilhelm. Die Kunst Des Porträts. Leipzig: Hirt, 1908.

MLA (9th ed.) Citation

Waetzoldt, Wilhelm. Die Kunst Des Porträts. Hirt, 1908.

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