APA (7th ed.) Citation

Becker, R., & Döring, W. (1943). Ferromagnetismus. Edwards Bros..

Chicago Style (17th ed.) Citation

Becker, Richard, and Werner Döring. Ferromagnetismus. Ann Arbor, Mi: Edwards Bros., 1943.

MLA (9th ed.) Citation

Becker, Richard, and Werner Döring. Ferromagnetismus. Edwards Bros., 1943.