Jantschke, F. (1972). Orang-Utans in zoologischen Gärten. Piper.
Chicago Style (17th ed.) CitationJantschke, Fritz. Orang-Utans in Zoologischen Gärten. München: Piper, 1972.
MLA (9th ed.) CitationJantschke, Fritz. Orang-Utans in Zoologischen Gärten. Piper, 1972.
Warning: These citations may not always be 100% accurate.