APA (7th ed.) Citation

Hagen, R., & Hagen, R. (2018). Faces of power: What great paintings say. Taschen.

Chicago Style (17th ed.) Citation

Hagen, Rose-Marie, and Rainer Hagen. Faces of Power: What Great Paintings Say. Köln: Taschen, 2018.

MLA (9th ed.) Citation

Hagen, Rose-Marie, and Rainer Hagen. Faces of Power: What Great Paintings Say. Taschen, 2018.

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