Παραπομπή APA

Follet,Ken, Britain, & Germany. (2012). Winter of the World. Macmillan.

Παραπομπή Chicago Style

Follet,Ken, Britain, και Germany. Winter of the World. London: Macmillan, 2012.

Παραπομπή MLA

Follet,Ken, et al. Winter of the World. Macmillan, 2012.