APA Citation
Marconi, Guglielmo,. Guglielmo Marconi letter to Lord Aberdeen, dated Marconi Transatlantic Station, Clifden, Connemara, Co. Galway, Ireland, 7 July 1910. Retrieved from https://library.si.edu/digital-library/book/guglielmomarcon00marcm
MLA Citation
Marconi, Guglielmo,. Guglielmo Marconi letter to Lord Aberdeen, dated Marconi Transatlantic Station, Clifden, Connemara, Co. Galway, Ireland, 7 July 1910. https://library.si.edu/digital-library/book/guglielmomarcon00marcm
Chicago
Marconi, Guglielmo,. Guglielmo Marconi letter to Lord Aberdeen, dated Marconi Transatlantic Station, Clifden, Connemara, Co. Galway, Ireland, 7 July 1910. https://library.si.edu/digital-library/book/guglielmomarcon00marcm
Warning: These citations may not always be complete (especially for serials).