APA Citation

Mary Elizabeth Hallock Greenewalt. Various blueprints and schematics (1921-1925, undated).

Chicago Style Citation

Mary Elizabeth Hallock Greenewalt. Various Blueprints and Schematics (1921-1925, Undated).

MLA Citation

Mary Elizabeth Hallock Greenewalt. Various Blueprints and Schematics (1921-1925, Undated).

Warning: These citations may not always be 100% accurate.