Citação norma APA

People's Democracy (Northern Ireland). (1971). P.D. Christmas cards. People's Democracy (Northern Ireland).

Citação norma Chicago

People's Democracy (Northern Ireland). P.D. Christmas Cards. Belfast: People's Democracy (Northern Ireland), 1971.

Citação norma MLA

People's Democracy (Northern Ireland). P.D. Christmas Cards. People's Democracy (Northern Ireland), 1971.

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