APA

Wu Z., Rodgers R. P. & Rodgers R. P.Compositional determination of acidic species in Illinois No. 6 coal extracts by electrospray ionization fourier transform ion cyclotron resonance mass spectrometry. : .

Chicago

Wu Zhigang, Rodgers Ryan P and Rodgers Ryan P.Compositional determination of acidic species in Illinois No. 6 coal extracts by electrospray ionization fourier transform ion cyclotron resonance mass spectrometry. : .

Harvard

Wu Z., Rodgers R. P. and Rodgers R. P.Compositional determination of acidic species in Illinois No. 6 coal extracts by electrospray ionization fourier transform ion cyclotron resonance mass spectrometry. : .

MLA

Wu Zhigang, Rodgers Ryan P and Rodgers Ryan P.: . .