APA (7th ed.) Citation

Kragh, H. (2019). Varying constants of nature: Fragments of a history.

Chicago Style (17th ed.) Citation

Kragh, Helge. Varying Constants of Nature: Fragments of a History. 2019.

MLA (9th ed.) Citation

Kragh, Helge. Varying Constants of Nature: Fragments of a History. 2019.

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