APA (7th ed.) Citation

United States. Bureau of Aviation Safety & United States. National Transportation Safety Board. (1975). Aircraft accident report: Puerto Rico International Airlines, Inc., DeHavilland DH-114, N554PR, Ponce, Puerto Rico June 24, 1972. National Transportation Safety Board, Bureau of Aviation Safety.

Chicago Style (17th ed.) Citation

United States. Bureau of Aviation Safety and United States. National Transportation Safety Board. Aircraft Accident Report: Puerto Rico International Airlines, Inc., DeHavilland DH-114, N554PR, Ponce, Puerto Rico June 24, 1972. Washington: National Transportation Safety Board, Bureau of Aviation Safety, 1975.

MLA (9th ed.) Citation

United States. Bureau of Aviation Safety and United States. National Transportation Safety Board. Aircraft Accident Report: Puerto Rico International Airlines, Inc., DeHavilland DH-114, N554PR, Ponce, Puerto Rico June 24, 1972. National Transportation Safety Board, Bureau of Aviation Safety, 1975.