Citação norma APA

Hughes, P. (1935). Why they died. Proprietors, The Universe (Associated Catholic Newspapers).

Citação norma Chicago

Hughes, Philip. Why They Died. London: Proprietors, The Universe (Associated Catholic Newspapers), 1935.

Citação norma MLA

Hughes, Philip. Why They Died. Proprietors, The Universe (Associated Catholic Newspapers), 1935.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.