APA (7th ed.) Citation

MERRILL, P. W., & Burwell, C. G. (1943). Supplement to the Mount Wilson catalogue and bibliography of stars of classes B and A whose spectra have bright hydrogen lines. Astrophysical Journal, 98, 153. https://doi.org/10.1086/144557

Chicago Style (17th ed.) Citation

MERRILL, Paul Willard, and C. G. Burwell. "Supplement to the Mount Wilson Catalogue and Bibliography of Stars of Classes B and A Whose Spectra Have Bright Hydrogen Lines." Astrophysical Journal 98 (1943): 153. https://doi.org/10.1086/144557.

MLA (9th ed.) Citation

MERRILL, Paul Willard, and C. G. Burwell. "Supplement to the Mount Wilson Catalogue and Bibliography of Stars of Classes B and A Whose Spectra Have Bright Hydrogen Lines." Astrophysical Journal, vol. 98, 1943, p. 153, https://doi.org/10.1086/144557.