APA (7th ed.) Citation

Michel, H. V., Asaro, F., Alvarez, W., & Alvarez, L. W. (1990). Geochemical studies of the Cretaceous-Tertiary boundary in ODP Holes 113-689B and 113-690C. PANGAEA.

Chicago Style (17th ed.) Citation

Michel, Helen V., Frank Asaro, Walter Alvarez, and Luis W. Alvarez. Geochemical Studies of the Cretaceous-Tertiary Boundary in ODP Holes 113-689B and 113-690C. PANGAEA, 1990.

MLA (9th ed.) Citation

Michel, Helen V., et al. Geochemical Studies of the Cretaceous-Tertiary Boundary in ODP Holes 113-689B and 113-690C. PANGAEA, 1990.