APA (7th ed.) Citation

Popper, D. M. (1954). Red shift in the spectrum of 40 eridani B. University of California.

Chicago Style (17th ed.) Citation

Popper, Daniel M. Red Shift in the Spectrum of 40 Eridani B. Los Angeles: University of California, 1954.

MLA (9th ed.) Citation

Popper, Daniel M. Red Shift in the Spectrum of 40 Eridani B. University of California, 1954.