APA (7th ed.) Citation

Campbell, W. H. (2001). Earth magnetism: A guided tour through magnetic fields. Harcourt Academic Press.

Chicago Style (17th ed.) Citation

Campbell, Wallace H. Earth Magnetism: A Guided Tour Through Magnetic Fields. San Diego [u.a.]: Harcourt Academic Press, 2001.

MLA (9th ed.) Citation

Campbell, Wallace H. Earth Magnetism: A Guided Tour Through Magnetic Fields. Harcourt Academic Press, 2001.