Merrill, P. W. (1921). Characteristic behavior of the bright lines in stellar spectra of class Md: By Paul W. Merrill. s.t.
Chicago Style (17th ed.) CitationMerrill, Paul W. Characteristic Behavior of the Bright Lines in Stellar Spectra of Class Md: By Paul W. Merrill. Washington: s.t, 1921.
MLA (9th ed.) CitationMerrill, Paul W. Characteristic Behavior of the Bright Lines in Stellar Spectra of Class Md: By Paul W. Merrill. s.t, 1921.
Warning: These citations may not always be 100% accurate.