(2026). May 15, 1918: First airmail routes open. Week Junior (US Edition), 7(317), 4.
Chicago Style (17th ed.) Citation"May 15, 1918: First Airmail Routes Open." Week Junior (US Edition) 7, no. 317 (2026): 4.
MLA (9th ed.) Citation"May 15, 1918: First Airmail Routes Open." Week Junior (US Edition), vol. 7, no. 317, 2026, p. 4.
Warning: These citations may not always be 100% accurate.
