APA (7th ed.) Citation

Smith, S. Søren Hjorth: Inventor of the Dynamo-electric Principle.

Chicago Style (17th ed.) Citation

Smith, Sigurd. Søren Hjorth: Inventor of the Dynamo-electric Principle.

MLA (9th ed.) Citation

Smith, Sigurd. Søren Hjorth: Inventor of the Dynamo-electric Principle.

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