APA (7th ed.) Citation

Loewe, F., Georgi, J., Sorge, E., & Wegener, A. L. (2007). Photographs of the German Greenland Expedition 1930/31. PANGAEA.

Chicago Style (17th ed.) Citation

Loewe, Fritz, Johannes Georgi, Ernst Sorge, and Alfred Lothar Wegener. Photographs of the German Greenland Expedition 1930/31. PANGAEA, 2007.

MLA (9th ed.) Citation

Loewe, Fritz, et al. Photographs of the German Greenland Expedition 1930/31. PANGAEA, 2007.