APA (7th ed.) Citation

Hoffmann, D. (2012). Editorial: "Then & Now" ; a new section dedicated to the history of physics.

Chicago Style (17th ed.) Citation

Hoffmann, Dieter. Editorial: "Then & Now" ; a New Section Dedicated to the History of Physics. 2012.

MLA (9th ed.) Citation

Hoffmann, Dieter. Editorial: "Then & Now" ; a New Section Dedicated to the History of Physics. 2012.

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