Sangamon County Court House. Springfield, Illinois (LFC-241) Reproducible print
MLA
Plowden, David (1932). Sangamon County Court House. Springfield, Illinois (LFC-241) Reproducible print. Box 105. 1964 April. https://collections.library.yale.edu/catalog/2041582.
APA, 6th edition
Plowden, David (1932). (["Box 105"])(1964 April)[Sangamon County Court House. Springfield, Illinois (LFC-241) Reproducible print]. https://collections.library.yale.edu/catalog/2041582.