APA (7e ed.) Bronvermelding

Osborn Stephen G., Vengosh Avner, Warner Nathaniel R., Jackson Robert B., & National Academy of Sciences. Methane contamination of drinking water accompanying gas-well drilling and hydraulic fracturing.

Chicago (17e ed.) Bronvermelding

Osborn Stephen G., Vengosh Avner, Warner Nathaniel R., Jackson Robert B., en National Academy of Sciences. Methane Contamination of Drinking Water Accompanying Gas-well Drilling and Hydraulic Fracturing.

MLA (9e ed.) Bronvermelding

Osborn Stephen G., et al. Methane Contamination of Drinking Water Accompanying Gas-well Drilling and Hydraulic Fracturing.