APA (7th ed.) Citation

Alford, J. L., Housner, G. W., & Martel, R. R. (1951). Spectrum analyses of strong-motion earthquakes: First technical report under Office of Naval Research, Contract N60nr-244, Task Order 25, Project Designation NR-081-095 (Rev.). California Institute of Technology.

Chicago Style (17th ed.) Citation

Alford, J. L., G. W. Housner, and R. R. Martel. Spectrum Analyses of Strong-motion Earthquakes: First Technical Report Under Office of Naval Research, Contract N60nr-244, Task Order 25, Project Designation NR-081-095. Rev. Pasadena, Calif.: California Institute of Technology, 1951.

MLA (9th ed.) Citation

Alford, J. L., et al. Spectrum Analyses of Strong-motion Earthquakes: First Technical Report Under Office of Naval Research, Contract N60nr-244, Task Order 25, Project Designation NR-081-095. Rev. California Institute of Technology, 1951.