APA (7th ed.) Citation

Van der Brug, O. (1983). Water resources of the Truk Islands. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Van der Brug, Otto. Water Resources of the Truk Islands. Honolulu, Hawaii: U.S. Geological Survey, 1983.

MLA (9th ed.) Citation

Van der Brug, Otto. Water Resources of the Truk Islands. U.S. Geological Survey, 1983.

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