APA (7th ed.) Citation

Karl, K., & Schneider, F. (1972). Elektrisches Feld (o.A.).

Chicago Style (17th ed.) Citation

Karl, Klaus, and Frank Schneider. Elektrisches Feld. o.A. Berlin, 1972.

MLA (8th ed.) Citation

Karl, Klaus, and Frank Schneider. Elektrisches Feld. o.A. 1972.

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