Citazione Stile APA (7a Edizione)

Wetterau, B. (1990). The New York Public Library book of chronologies. Prentice Hall.

Citazione stile Chigago Style (17a edizione)

Wetterau, Bruce. The New York Public Library Book of Chronologies. New York: Prentice Hall, 1990.

Citatione MLA (9a ed.)

Wetterau, Bruce. The New York Public Library Book of Chronologies. Prentice Hall, 1990.