Cita APA (7a ed.)

Duffy, E. History of the 159th Regiment, N.Y.S.V.

Cita Chicago Style (17a ed.)

Duffy, Edward. History of the 159th Regiment, N.Y.S.V.

Cita MLA (9a ed.)

Duffy, Edward. History of the 159th Regiment, N.Y.S.V.