Philippson, P. (1940). Der Kosmos des Okeanos. [s.l.]: [s.n.].
Chicago Style CitationPhilippson, Paula. Der Kosmos Des Okeanos. [s.l.]: [s.n.], 1940.
MLA CitationPhilippson, Paula. Der Kosmos Des Okeanos. [s.l.]: [s.n.], 1940.
Warning: These citations may not always be 100% accurate.