APA Citation

Ewing, M., & Heezen, B. C. (1955). Puerto Rico trench topographic and geophysical data. [s.l.]: [s.n.].

Chicago Style Citation

Ewing, Maurice, and Bruce C. Heezen. Puerto Rico Trench Topographic and Geophysical Data. [s.l.]: [s.n.], 1955.

MLA Citation

Ewing, Maurice, and Bruce C. Heezen. Puerto Rico Trench Topographic and Geophysical Data. [s.l.]: [s.n.], 1955.

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