APA (7th ed.) Citation

Puerto Rico. Planning Board. (1968). The four year economic and social development plan of Puerto Rico, 1969-72. The Board.

Chicago Style (17th ed.) Citation

Puerto Rico. Planning Board. The Four Year Economic and Social Development Plan of Puerto Rico, 1969-72. [San Juan]: The Board, 1968.

MLA (9th ed.) Citation

Puerto Rico. Planning Board. The Four Year Economic and Social Development Plan of Puerto Rico, 1969-72. The Board, 1968.

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