APA (7th ed.) Citation

Dreher, G., Alonso-Perez, R., Dreher, P., & Eberl, J. (2017). Dreher carvings: Gemstone animals from Idar-Oberstein. Arnoldsche.

Chicago Style (17th ed.) Citation

Dreher, Gerd, Raquel Alonso-Perez, Patrick Dreher, and Johanna Eberl. Dreher Carvings: Gemstone Animals from Idar-Oberstein. Stuttgart: Arnoldsche, 2017.

MLA (9th ed.) Citation

Dreher, Gerd, et al. Dreher Carvings: Gemstone Animals from Idar-Oberstein. Arnoldsche, 2017.