Horan, J. D. (1966). Timothy O'Sullivan, America's forgotten photographer; the life and work of the brilliant photographer whose camera recorded the American scene from the battlefields of the Civilo War to the frontiers of the West. Doubleday.
Čikaški stil citiranja (17. izdanje)Horan, James David. Timothy O'Sullivan, America's Forgotten Photographer; the Life and Work of the Brilliant Photographer Whose Camera Recorded the American Scene from the Battlefields of the Civilo War to the Frontiers of the West. Garden City, N.Y: Doubleday, 1966.
MLA način citiranja (9. izdanje)Horan, James David. Timothy O'Sullivan, America's Forgotten Photographer; the Life and Work of the Brilliant Photographer Whose Camera Recorded the American Scene from the Battlefields of the Civilo War to the Frontiers of the West. Doubleday, 1966.