Esche, P. G., Fiedler, H., & Uttikal, D. (1975). Carl Zeiss Jena: Fortschritt Technik Tradition. Carl Zeiss Jena.
Chicago Style (17th ed.) CitationEsche, Paul Gerhard, Horst Fiedler, and Detlef Uttikal. Carl Zeiss Jena: Fortschritt Technik Tradition. Jena: Carl Zeiss Jena, 1975.
MLA (8th ed.) CitationEsche, Paul Gerhard, et al. Carl Zeiss Jena: Fortschritt Technik Tradition. Carl Zeiss Jena, 1975.
Warning: These citations may not always be 100% accurate.