Citazione Stile APA (7a Edizione)

Willis, B. (1929). Earthquake conditions in Chile (1a. ed.). Carnegie Institution.

Citazione stile Chigago Style (17a edizione)

Willis, Bailey. Earthquake Conditions in Chile. 1a. ed. Washington, D.C: Carnegie Institution, 1929.

Citatione MLA (9a ed.)

Willis, Bailey. Earthquake Conditions in Chile. 1a. ed. Carnegie Institution, 1929.