APA (7th ed.) Citation

Dravins, D., & Ludwig, H. (2004). Wavelength shifts in solar-type spectra. Arxiv.

Chicago Style (17th ed.) Citation

Dravins, Dainis, and Hans-Günter Ludwig. "Wavelength Shifts in Solar-type Spectra." Arxiv 2004.

MLA (9th ed.) Citation

Dravins, Dainis, and Hans-Günter Ludwig. "Wavelength Shifts in Solar-type Spectra." Arxiv, 2004.

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