D. F. Harper
MLA
Pillsbury, Richard. "D. F. Harper." Sequoyah Regional Library System. 1975-09-03, https://dlg.galileo.usg.edu/do:zhp_arch_034.
APA
Pillsbury, Richard (1975-09-03). D. F. Harper. Retrieved from https://dlg.galileo.usg.edu/do:zhp_arch_034
Chicago
Pillsbury, Richard. "D. F. Harper." 1975-09-03. July 31, 2025. https://dlg.galileo.usg.edu/do:zhp_arch_034.
