Heckel, L. M. (1922). Lebensform (2. Aufl. (4.-13.Taus.).). Anthropos.
Chicago Style (17th ed.) CitationHeckel, L. M. Lebensform. 2. Aufl. (4.-13.Taus.). Prien/Oberbayern: Anthropos, 1922.
MLA (8th ed.) CitationHeckel, L. M. Lebensform. 2. Aufl. (4.-13.Taus.). Anthropos, 1922.
Warning: These citations may not always be 100% accurate.