APA

Sternberg A., Gal-Yam A., Simon J. D., Leonard D. C., Quimby R. M., Phillips M. M., Morrell N., Thompson I. B., Ivans I., Marshall J. L., Filippenko A. V., Marcy G. W., Bloom J. S., Patat F., Foley R. J., Yong D., Penprase B. E., Beeler D. J., Allende Prieto C. & Stringfellow G. S. (20110823). Circumstellar material in type Ia supernovae via sodium absorption features. : Science (New York, N.Y.).

Chicago

Sternberg A, Gal-Yam A, Simon J D, Leonard D C, Quimby R M, Phillips M M, Morrell N, Thompson I B, Ivans I, Marshall J L, Filippenko A V, Marcy G W, Bloom J S, Patat F, Foley R J, Yong D, Penprase B E, Beeler D J, Allende Prieto C and Stringfellow G S. 20110823. Circumstellar material in type Ia supernovae via sodium absorption features. : Science (New York, N.Y.).

Harvard

Sternberg A., Gal-Yam A., Simon J. D., Leonard D. C., Quimby R. M., Phillips M. M., Morrell N., Thompson I. B., Ivans I., Marshall J. L., Filippenko A. V., Marcy G. W., Bloom J. S., Patat F., Foley R. J., Yong D., Penprase B. E., Beeler D. J., Allende Prieto C. and Stringfellow G. S. (20110823). Circumstellar material in type Ia supernovae via sodium absorption features. : Science (New York, N.Y.).

MLA

Sternberg A, Gal-Yam A, Simon J D, Leonard D C, Quimby R M, Phillips M M, Morrell N, Thompson I B, Ivans I, Marshall J L, Filippenko A V, Marcy G W, Bloom J S, Patat F, Foley R J, Yong D, Penprase B E, Beeler D J, Allende Prieto C and Stringfellow G S. Circumstellar material in type Ia supernovae via sodium absorption features. : Science (New York, N.Y.). 20110823.