APA ציטוט

Porcelli, D., Stone, J., & O'Nions, R. (1987). Enhanced 3He 4He ratios and cosmogenic helium in ultramafic xenoliths.

Chicago Style (17th ed.) Citation

Porcelli, DR, J. Stone, and R. O'Nions. Enhanced 3He 4He Ratios and Cosmogenic Helium in Ultramafic Xenoliths. 1987.

ציטוט MLA

Porcelli, DR, et al. Enhanced 3He 4He Ratios and Cosmogenic Helium in Ultramafic Xenoliths. 1987.