Feldhoff, R., Montillon, C., Kneifel, H., & Mehnert, A. (2009). Perry Rhodan - Der Demetria Zyklus. Moewig.
Chicago Style (17th ed.) CitationFeldhoff, Robert, Christian Montillon, Hans Kneifel, and Achim Mehnert. Perry Rhodan - Der Demetria Zyklus. Hamburg: Moewig, 2009.
MLA (8th ed.) CitationFeldhoff, Robert, et al. Perry Rhodan - Der Demetria Zyklus. Moewig, 2009.
Warning: These citations may not always be 100% accurate.