APA (7th ed.) Citation

Summons, R., Franzmann, P., & Nichols, P. (1998). Carbon isotopic fractionation associated with methylotrophic methanogenesis.

Chicago Style (17th ed.) Citation

Summons, RE, PD Franzmann, and Peter Nichols. Carbon Isotopic Fractionation Associated with Methylotrophic Methanogenesis. 1998.

MLA (9th ed.) Citation

Summons, RE, et al. Carbon Isotopic Fractionation Associated with Methylotrophic Methanogenesis. 1998.