R.H. Birkhead, Station Master, Missouri-Kansas-Texas Railroad, on the Day of His Retirement After 60 Years with the Railroad. Frederick, Oklahoma (GFB-68-4826)
MLA
Plowden, David (1932). R.H. Birkhead, Station Master, Missouri-Kansas-Texas Railroad, on the Day of His Retirement After 60 Years with the Railroad. Frederick, Oklahoma (GFB-68-4826). Box 42. 1968. https://collections.library.yale.edu/catalog/2040909.
APA, 6th edition
Plowden, David (1932). (["Box 42"])(1968)[R.H. Birkhead, Station Master, Missouri-Kansas-Texas Railroad, on the Day of His Retirement After 60 Years with the Railroad. Frederick, Oklahoma (GFB-68-4826)]. https://collections.library.yale.edu/catalog/2040909.
