APA (7th ed.) Citation

Hallstein, W. (1962). United Europe: Challenge and opportunity. Harvard Univ. Press [u.a.].

Chicago Style (17th ed.) Citation

Hallstein, Walter. United Europe: Challenge and Opportunity. Cambridge, Mass: Harvard Univ. Press [u.a.], 1962.

MLA (9th ed.) Citation

Hallstein, Walter. United Europe: Challenge and Opportunity. Harvard Univ. Press [u.a.], 1962.

Warning: These citations may not always be 100% accurate.