APA (7th ed.) Citation

Monroe, W. H. (1969). Geologic map of the Aguadilla quadrangle, Puerto Rico. The Survey.

Chicago Style (17th ed.) Citation

Monroe, Watson Hiner. Geologic Map of the Aguadilla Quadrangle, Puerto Rico. Washington, D.C.: The Survey, 1969.

MLA (9th ed.) Citation

Monroe, Watson Hiner. Geologic Map of the Aguadilla Quadrangle, Puerto Rico. The Survey, 1969.

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