APA (7th ed.) Citation

Hofstetter, R. R. (1984). U.S. immigration policy. Duke University Press.

Chicago Style (17th ed.) Citation

Hofstetter, Richard R. U.S. Immigration Policy. Durham, N.C.: Duke University Press, 1984.

MLA (9th ed.) Citation

Hofstetter, Richard R. U.S. Immigration Policy. Duke University Press, 1984.