APA (7th ed.) Citation

(1929). School supplement, air commerce regulations; effective May 1, 1929. GPO.

Chicago Style (17th ed.) Citation

School Supplement, Air Commerce Regulations; Effective May 1, 1929. [Washington]: GPO, 1929.

MLA (9th ed.) Citation

School Supplement, Air Commerce Regulations; Effective May 1, 1929. GPO, 1929.

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