APA (7th ed.) Citation

Perret, F. A. (1939). The volcano-seismic crisis at Montserrat, 1933-1937. The Carnegie institution of Washington.

Chicago Style (17th ed.) Citation

Perret, Frank A. The Volcano-seismic Crisis at Montserrat, 1933-1937. Washington, D.C.: The Carnegie institution of Washington, 1939.

MLA (9th ed.) Citation

Perret, Frank A. The Volcano-seismic Crisis at Montserrat, 1933-1937. The Carnegie institution of Washington, 1939.