Cita APA (7a ed.)

Clark, J. G. D. (1965). Prehistoric europe: The economic basis. Methuen.

Cita Chicago Style (17a ed.)

Clark, John G. Douglas. Prehistoric Europe: The Economic Basis. London: Methuen, 1965.

Cita MLA (9a ed.)

Clark, John G. Douglas. Prehistoric Europe: The Economic Basis. Methuen, 1965.