APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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