APA (7th ed.) Citation

United States. Department of Commerce and Labor. (1909). List of lights, buoys, and daymarks in 3rd Light-House subdistrict, embracing coasts, harbors, and waters of island of Porto Rico and adjacent islands of U.S., corrected to Jan. 1, 1909. GPO.

Chicago Style (17th ed.) Citation

United States. Department of Commerce and Labor. List of Lights, Buoys, and Daymarks in 3rd Light-House Subdistrict, Embracing Coasts, Harbors, and Waters of Island of Porto Rico and Adjacent Islands of U.S., Corrected to Jan. 1, 1909. [Washington]: GPO, 1909.

MLA (9th ed.) Citation

United States. Department of Commerce and Labor. List of Lights, Buoys, and Daymarks in 3rd Light-House Subdistrict, Embracing Coasts, Harbors, and Waters of Island of Porto Rico and Adjacent Islands of U.S., Corrected to Jan. 1, 1909. GPO, 1909.