Citação norma APA

Penger, J., Conrad, R., & Blaser, M. (2012). Stable Carbon Isotope Fractionation by Methylotrophic Methanogenic Archaea. American Society for Microbiology.

Citação norma Chicago

Penger, Jörn, Ralf Conrad, and Martin Blaser. Stable Carbon Isotope Fractionation By Methylotrophic Methanogenic Archaea. American Society for Microbiology, 2012.

Citação norma MLA

Penger, Jörn, Ralf Conrad, and Martin Blaser. Stable Carbon Isotope Fractionation By Methylotrophic Methanogenic Archaea. American Society for Microbiology, 2012.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.