APA (7th ed.) Citation

(1930). Parachute supplement, air commerce regulations; effective July 1, 1930. GPO.

Chicago Style (17th ed.) Citation

Parachute Supplement, Air Commerce Regulations; Effective July 1, 1930. [Washington]: GPO, 1930.

MLA (9th ed.) Citation

Parachute Supplement, Air Commerce Regulations; Effective July 1, 1930. GPO, 1930.

Warning: These citations may not always be 100% accurate.