APA (7th ed.) Citation

Esche, P. G. (1975). Carl Zeiss Jena. Carl Zeiss Jena.

Chicago Style (17th ed.) Citation

Esche, Paul Gerhard. Carl Zeiss Jena. Jena: Carl Zeiss Jena, 1975.

MLA (8th ed.) Citation

Esche, Paul Gerhard. Carl Zeiss Jena. Carl Zeiss Jena, 1975.

Warning: These citations may not always be 100% accurate.