APA (7th ed.) Citation

ScienceDirect (Online service). (1957). Geomagnetism: Instruction manuals. Pergamon Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service). Geomagnetism: Instruction Manuals. Oxford: Pergamon Press, 1957.

MLA (9th ed.) Citation

ScienceDirect (Online service). Geomagnetism: Instruction Manuals. Pergamon Press, 1957.

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