L-R row 1: Gilbert Smith, Gilbert Smith, Jerome Smith, Jerome Smith. Row 2: Jerome Smith, John Smith, Melvin Smith, Virgil Smith. Row 3: Kevin Sneiderwine, Eugene Snouffer, Eugene Snouffer, Eugene Snouffer. Row 4: Donald Sonnenberg, Donald Sonnenberg, Richard Sorg, Lester Sorgen

Chicago citation style
L-R row 1: Gilbert Smith, Gilbert Smith, Jerome Smith, Jerome Smith. Row 2: Jerome Smith, John Smith, Melvin Smith, Virgil Smith. Row 3: Kevin Sneiderwine, Eugene Snouffer, Eugene Snouffer, Eugene Snouffer. Row 4: Donald Sonnenberg, Donald Sonnenberg, Richard Sorg, Lester Sorgen. Retrieved from the Digital Public Library of America, http://contentdm.acpl.lib.in.us/cdm/ref/collection/coll3/id/3493. (Accessed June 22, 2018.)
APA citation style
L-R row 1: Gilbert Smith, Gilbert Smith, Jerome Smith, Jerome Smith. Row 2: Jerome Smith, John Smith, Melvin Smith, Virgil Smith. Row 3: Kevin Sneiderwine, Eugene Snouffer, Eugene Snouffer, Eugene Snouffer. Row 4: Donald Sonnenberg, Donald Sonnenberg, Richard Sorg, Lester Sorgen. Retrieved from the Digital Public Library of America, http://contentdm.acpl.lib.in.us/cdm/ref/collection/coll3/id/3493
MLA citation style
Retrieved from the Digital Public Library of America <http://contentdm.acpl.lib.in.us/cdm/ref/collection/coll3/id/3493>.
Note: These citations are programmatically generated and may be incomplete.