एपीए उद्धरण

Cunliffe, M. (1969). American Presidents and the Presidents. Eyre and Spottiswoode.

शिकागो स्टाइल उद्धरण

Cunliffe, Marcus. American Presidents and the Presidents. London: Eyre and Spottiswoode, 1969.

एमएलए उद्धरण

Cunliffe, Marcus. American Presidents and the Presidents. Eyre and Spottiswoode, 1969.