Cite
[Letter from John J. Herrera to Mexicana Airlines - 1967-07-11]
MLA
Herrera, John J.. "[Letter from John J. Herrera to Mexicana Airlines - 1967-07-11]." University of North Texas. Libraries. 1967-07-11, https://texashistory.unt.edu/ark:/67531/metapth249716/.
APA
Herrera, John J. (1967-07-11). [Letter from John J. Herrera to Mexicana Airlines - 1967-07-11]. Retrieved from https://texashistory.unt.edu/ark:/67531/metapth249716/
Chicago
Herrera, John J.. "[Letter from John J. Herrera to Mexicana Airlines - 1967-07-11]." 1967-07-11. July 13, 2025. https://texashistory.unt.edu/ark:/67531/metapth249716/.