The Poughkeepsie Railroad Bridge, Hudson River. Between Poughkeepsie and Highland, New York (GFB-69-289)
MLA
Plowden, David. The Poughkeepsie Railroad Bridge, Hudson River. Between Poughkeepsie and Highland, New York (GFB-69-289). 1969. https://collections.library.yale.edu/catalog/2042318.
APA, 6th edition
Plowden, D. (1969). The Poughkeepsie Railroad Bridge, Hudson River. Between Poughkeepsie and Highland, New York (GFB-69-289). https://collections.library.yale.edu/catalog/2042318.