APA (7th ed.) Citation

(1977). Constitution of the Portuguese Republic. Secr. of State for Mass Communication.

Chicago Style (17th ed.) Citation

Constitution of the Portuguese Republic. Lisbon: Secr. of State for Mass Communication, 1977.

MLA (9th ed.) Citation

Constitution of the Portuguese Republic. Secr. of State for Mass Communication, 1977.

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