Gerrard, J. A. F. (1957). Gravity anomaly simulator. Review of Scientific Instruments, 28, 438.
Chicago Style (17th ed.) CitationGerrard, J. A. F. "Gravity Anomaly Simulator." Review of Scientific Instruments 28 (1957): 438.
MLA (9th ed.) CitationGerrard, J. A. F. "Gravity Anomaly Simulator." Review of Scientific Instruments, vol. 28, 1957, p. 438.
Warning: These citations may not always be 100% accurate.