APA (7th ed.) Citation

Rieger, H. (1978). The magnetic circuit. Siemens.

Chicago Style (17th ed.) Citation

Rieger, Heinz. The Magnetic Circuit. Berlin [u.a.]: Siemens, 1978.

MLA (9th ed.) Citation

Rieger, Heinz. The Magnetic Circuit. Siemens, 1978.

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