Cita APA (7th ed.)

Allen, D. E., Murray, T. M., & Ungar, E. E. (1997). Floor vibrations due to human activity. American Institute of Steel Construction.

Cita Chicago (17th ed.)

Allen, David E., Thomas M. Murray, i Eric E. Ungar. Floor Vibrations Due to Human Activity. Chicago, Illinois: American Institute of Steel Construction, 1997.

Cita MLA (9th ed.)

Allen, David E., et al. Floor Vibrations Due to Human Activity. American Institute of Steel Construction, 1997.