APA (7th ed.) Citation

Geological Survey (U.S.). (1999). Topographic Map of Oreor, Republic of Palau, Caroline Islands, Scale 1: 25 000, 1983. [publisher not identified].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Topographic Map of Oreor, Republic of Palau, Caroline Islands, Scale 1: 25 000, 1983. [Place of publication not identified]: [publisher not identified], 1999.

MLA (9th ed.) Citation

Geological Survey (U.S.). Topographic Map of Oreor, Republic of Palau, Caroline Islands, Scale 1: 25 000, 1983. [publisher not identified], 1999.