APA (7th ed.) Citation

(1931). List of lights with fog signals of Baltic Sea, with Kattegat, Belts and Sound, and Gulf of Bothnia: Volume VI. Corrected to Mar. 21, 1931. GPO.

Chicago Style (17th ed.) Citation

List of Lights with Fog Signals of Baltic Sea, with Kattegat, Belts and Sound, and Gulf of Bothnia: Volume VI. Corrected to Mar. 21, 1931. [Washington]: GPO, 1931.

MLA (9th ed.) Citation

List of Lights with Fog Signals of Baltic Sea, with Kattegat, Belts and Sound, and Gulf of Bothnia: Volume VI. Corrected to Mar. 21, 1931. GPO, 1931.