Kron, G. E., Herbig, G. H., & Shane, C. D. (1958). Color excesses from six-color photometry of supergiant stars. [Selbstverl.].
Chicago Style (17th ed.) CitationKron, Gerald E., George H. Herbig, and Charles Donald Shane. Color Excesses from Six-color Photometry of Supergiant Stars. Mount Hamilton, Calif: [Selbstverl.], 1958.
MLA (9th ed.) CitationKron, Gerald E., et al. Color Excesses from Six-color Photometry of Supergiant Stars. [Selbstverl.], 1958.
Warning: These citations may not always be 100% accurate.