APA (7th ed.) Citation

Puerto Rico Highway Authority. (1971). Mapa de carreteras estatales de Puerto Rico. [publisher not identified].

Chicago Style (17th ed.) Citation

Puerto Rico Highway Authority. Mapa De Carreteras Estatales De Puerto Rico. [San Juan]: [publisher not identified], 1971.

MLA (9th ed.) Citation

Puerto Rico Highway Authority. Mapa De Carreteras Estatales De Puerto Rico. [publisher not identified], 1971.

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