Citazione Stile APA (7a Edizione)

Viereck, P., Davis, B., Jarolimek, J., & Croon Davis, C. (1973). WEB of the world: Interdependence of people and places. Macmillan [u.a.

Citazione stile Chigago Style (17a edizione)

Viereck, Phillip, Bertha Davis, John Jarolimek, e Charlotte Croon Davis. WEB of the World: Interdependence of People and Places. New York: Macmillan [u.a, 1973.

Citatione MLA (9a ed.)

Viereck, Phillip, et al. WEB of the World: Interdependence of People and Places. Macmillan [u.a, 1973.