Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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