Cite
Letter, 1978, John Donovan to Hans A. Halbey
MLA
Donovan, John, 1928-1992. "Letter, 1978, John Donovan to Hans A. Halbey." South Caroliniana Library. 1978-09-12, http://cdm17173.contentdm.oclc.org/cdm/ref/collection/abaker/id/3008.
APA
Donovan, John, 1928-1992 (1978-09-12). Letter, 1978, John Donovan to Hans A. Halbey. Retrieved from http://cdm17173.contentdm.oclc.org/cdm/ref/collection/abaker/id/3008
Chicago
Donovan, John, 1928-1992. "Letter, 1978, John Donovan to Hans A. Halbey." 1978-09-12. July 3, 2025. http://cdm17173.contentdm.oclc.org/cdm/ref/collection/abaker/id/3008.