APA (7th ed.) Citation

Hellendoorn, E. (1975). União Democrático Popular (Portugal).

Chicago Style (17th ed.) Citation

Hellendoorn, E. União Democrático Popular (Portugal). 1975.

MLA (8th ed.) Citation

Hellendoorn, E. União Democrático Popular (Portugal). 1975.

Warning: These citations may not always be 100% accurate.