Citazione Stile APA (7a Edizione)

Helm, T. (1967). Hurricanes: Weather at its worst. Dodd Mead.

Citazione stile Chigago Style (17a edizione)

Helm, Thomas. Hurricanes: Weather at Its Worst. New York: Dodd Mead, 1967.

Citatione MLA (9a ed.)

Helm, Thomas. Hurricanes: Weather at Its Worst. Dodd Mead, 1967.