APA (7th ed.) Citation

Buchan, A. (1963). The U.S.A. / by A. Buchan. O.U.P..

Chicago Style (17th ed.) Citation

Buchan, A. The U.S.A. / by A. Buchan. O.U.P., 1963.

MLA (9th ed.) Citation

Buchan, A. The U.S.A. / by A. Buchan. O.U.P., 1963.

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