California Institute of Technology. Earthquake Engingeering Research Laboratory. (1972). Analyses of strong motion earthquake accelerograms: Volume IV - fourier amplitude spectra. Earthquake Engineering Research Laboratory, California Institute of Technology.
Chicago Style (17th ed.) CitationCalifornia Institute of Technology. Earthquake Engingeering Research Laboratory. Analyses of Strong Motion Earthquake Accelerograms: Volume IV - Fourier Amplitude Spectra. Pasadena, California: Earthquake Engineering Research Laboratory, California Institute of Technology, 1972.
MLA (9th ed.) CitationCalifornia Institute of Technology. Earthquake Engingeering Research Laboratory. Analyses of Strong Motion Earthquake Accelerograms: Volume IV - Fourier Amplitude Spectra. Earthquake Engineering Research Laboratory, California Institute of Technology, 1972.