Citação norma APA

Dougherty, R. C., & Piotrowska, K. (1976). Screening by negative chemical ionization mass spectrometry for environmental contamination with toxic residues: Application to human urines.

Citação norma Chicago

Dougherty, R C., and K. Piotrowska. Screening By Negative Chemical Ionization Mass Spectrometry for Environmental Contamination With Toxic Residues: Application to Human Urines. 1976.

Citação norma MLA

Dougherty, R C., and K. Piotrowska. Screening By Negative Chemical Ionization Mass Spectrometry for Environmental Contamination With Toxic Residues: Application to Human Urines. 1976.

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