Cite
[Letter from Charles B. Knapp to John J. Herrera - 1978-09-19]
MLA
Knapp, Charles B.. "[Letter from Charles B. Knapp to John J. Herrera - 1978-09-19]." University of North Texas. Libraries. 1978-09-19, https://texashistory.unt.edu/ark:/67531/metapth249330/.
APA
Knapp, Charles B. (1978-09-19). [Letter from Charles B. Knapp to John J. Herrera - 1978-09-19]. Retrieved from https://texashistory.unt.edu/ark:/67531/metapth249330/
Chicago
Knapp, Charles B.. "[Letter from Charles B. Knapp to John J. Herrera - 1978-09-19]." 1978-09-19. July 13, 2025. https://texashistory.unt.edu/ark:/67531/metapth249330/.