Cita APA (7a ed.)

Benoit, E., & Hallstein, W. (1962). Europe at sixes and sevens: The Common Market, the Free Trade Association and the United States ([2nd printing].). Columbia University Press.

Cita Chicago Style (17a ed.)

Benoit, Emile, y Walter Hallstein. Europe at Sixes and Sevens: The Common Market, the Free Trade Association and the United States. [2nd printing]. New York [etc.]: Columbia University Press, 1962.

Cita MLA (9a ed.)

Benoit, Emile, y Walter Hallstein. Europe at Sixes and Sevens: The Common Market, the Free Trade Association and the United States. [2nd printing]. Columbia University Press, 1962.