MLA
Hassel, Burghardt, 1828-1912. Deutsches A-B-C und erstes Lese-Buch. 1863. Civil War Imprints. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7440rxwhv7-cor.
APA, 6th edition
Hassel, Burghardt, 1828-1912. (1863)[Deutsches A-B-C und erstes Lese-Buch]. Civil War Imprints, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7440rxwhv7-cor.
Chicago
Hassel, Burghardt, 1828-1912, Deutsches A-B-C und erstes Lese-Buch, 1863, Civil War Imprints, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7440rxwhv7-cor.