Cita APA (7th ed.)

Penniman, H. R. (1974). Britain at the polls: The parliamentary elections of 1974. American Enterprise Institute for Public Policy Research.

Cita Chicago (17th ed.)

Penniman, Howard Rae. Britain at the Polls: The Parliamentary Elections of 1974. Washington, D.C: American Enterprise Institute for Public Policy Research, 1974.

Cita MLA (9th ed.)

Penniman, Howard Rae. Britain at the Polls: The Parliamentary Elections of 1974. American Enterprise Institute for Public Policy Research, 1974.