Evaluation of the annoyance due to helicopter rotor noise /

Chicago citation style
Sternfeld, Harry. Evaluation of the annoyance due to helicopter rotor noise /. 1978. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011431478. (Accessed September 25, 2018.)
APA citation style
Sternfeld, Harry, (1978) Evaluation of the annoyance due to helicopter rotor noise /. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011431478
MLA citation style
Sternfeld, Harry. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/011431478>.
Note: These citations are programmatically generated and may be incomplete.