APA (7th ed.) Citation

Hentschel, K. (1999). Photographic mapping of the solar spectrum 1864 - 1900.

Chicago Style (17th ed.) Citation

Hentschel, Klaus. Photographic Mapping of the Solar Spectrum 1864 - 1900. 1999.

MLA (9th ed.) Citation

Hentschel, Klaus. Photographic Mapping of the Solar Spectrum 1864 - 1900. 1999.

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