APA (7th ed.) Citation

Baum, J., & Schmidt-Glassner, H. (1956). German cathedrals. Thames and Hudson.

Chicago Style (17th ed.) Citation

Baum, Julius, and Helga Schmidt-Glassner. German Cathedrals. London: Thames and Hudson, 1956.

MLA (8th ed.) Citation

Baum, Julius, and Helga Schmidt-Glassner. German Cathedrals. Thames and Hudson, 1956.