Citazione Stile APA (7a Edizione)

Day, A. J., & Degenhardt, H. W. (1984). Political parties of the world. Gale Research.

Citazione stile Chigago Style (17a edizione)

Day, Alan J., e Henry W. Degenhardt. Political Parties of the World. Detroit: Gale Research, 1984.

Citatione MLA (9a ed.)

Day, Alan J., e Henry W. Degenhardt. Political Parties of the World. Gale Research, 1984.