APA (7th ed.) Citation

Delbrück, R. (1932). Antike Porphyrwerke. de Gruyter.

Chicago Style (17th ed.) Citation

Delbrück, Richard. Antike Porphyrwerke. Berlin [u.a.]: de Gruyter, 1932.

MLA (9th ed.) Citation

Delbrück, Richard. Antike Porphyrwerke. de Gruyter, 1932.

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