Citazione Stile APA (7a Edizione)

O'Donnell, M., & Vickers, G. R. e. S. El Salvador elections 1994: Voter registration progress and the tasks ahead. Hemisphere Initiatives.

Citazione stile Chigago Style (17a edizione)

O'Donnell, Madelene, e George R ed. Spence Vickers. El Salvador Elections 1994: Voter Registration Progress and the Tasks Ahead. Cambridge: Hemisphere Initiatives.

Citatione MLA (9a ed.)

O'Donnell, Madelene, e George R ed. Spence Vickers. El Salvador Elections 1994: Voter Registration Progress and the Tasks Ahead. Hemisphere Initiatives.