APA Citation

Mary Elizabeth Hallock Greenewalt. Color roll 2 for color-play phonograph, 1920.

Chicago Style Citation

Mary Elizabeth Hallock Greenewalt. Color Roll 2 for Color-play Phonograph, 1920.

MLA Citation

Mary Elizabeth Hallock Greenewalt. Color Roll 2 for Color-play Phonograph, 1920.

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