APA (7th ed.) Citation

Hamann, R., & Hamann, R. (1955). Geschichte der Kunst. Akademie-Verlag.

Chicago Style (17th ed.) Citation

Hamann, Richard, and Richard Hamann. Geschichte Der Kunst. Berlin: Akademie-Verlag, 1955.

MLA (8th ed.) Citation

Hamann, Richard, and Richard Hamann. Geschichte Der Kunst. Akademie-Verlag, 1955.

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