एपीए उद्धरण

Helm, W. P. (1947). Harry truman: A political biography. New York: Duell, Sloan and Pearce.

शिकागो स्टाइल उद्धरण

Helm, William P. Harry Truman: A Political Biography. New York: Duell, Sloan and Pearce, 1947.

एमएलए उद्धरण

Helm, William P. Harry Truman: A Political Biography. New York: Duell, Sloan and Pearce, 1947.