APA引文

Bell, E. A., Boehnke, P., Harrison, T. M., & Mao, W. L. (2015). Potentially biogenic carbon preserved in a 4.1 billion-year-old zircon. Proc Natl Acad Sci U S A.

Citação norma Chicago

Bell, Elizabeth A., Patrick Boehnke, T. Mark Harrison, and Wendy L. Mao. "Potentially Biogenic Carbon Preserved in a 4.1 Billion-year-old Zircon." Proc Natl Acad Sci U S A 2015.

MLA引文

Bell, Elizabeth A., Patrick Boehnke, T. Mark Harrison, and Wendy L. Mao. "Potentially Biogenic Carbon Preserved in a 4.1 Billion-year-old Zircon." Proc Natl Acad Sci U S A 2015.