Michel, H. V., Asaro, F., Alvarez, W., & Alvarez, L. W. (1990). (Table 1) Background iridium abundances in K-T region of ODP Hole 113-689B. PANGAEA.
Chicago Style (17th ed.) CitationMichel, Helen V., Frank Asaro, Walter Alvarez, and Luis W. Alvarez. (Table 1) Background Iridium Abundances in K-T Region of ODP Hole 113-689B. PANGAEA, 1990.
MLA (9th ed.) CitationMichel, Helen V., et al. (Table 1) Background Iridium Abundances in K-T Region of ODP Hole 113-689B. PANGAEA, 1990.
Warning: These citations may not always be 100% accurate.